Home / 254,586-381,879-88,374

Finding the Fourth Proportional to 254,586, 381,879 and 88,374

Calculator

Solution

The fourth proportional to 254,586, 381,879 and 88,374 is: 132,561

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,586 : 381,879 = 88,374 : x
  2. Step 2: Convert to fraction form
    254,586/381,879 = 88,374/x
  3. Step 3: Cross multiply
    254,586x = 381,879 × 88,374
  4. Step 4: Simplify right side
    254,586x = 33,748,174,746
  5. Step 5: Solve for x
    x = 33,748,174,746/254,586
  6. Step 6: Final answer
    x = 132,561

Related Problems

Find fourth proportional to 127,293, 190,939.50 and 44,187
Half scale
Find fourth proportional to 509,172, 763,758 and 176,748
Double scale
Find fourth proportional to 254,587, 381,880.50 and 88,375
Similar ratio
Find fourth proportional to 381,879, 572,818.50 and 132,561
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.