Home / 254,867.36-351,726-140,154.80

Finding the Fourth Proportional to 254,867.36, 351,726 and 140,154.80

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Solution

The fourth proportional to 254,867.36, 351,726 and 140,154.80 is: 193,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,867.36 : 351,726 = 140,154.80 : x
  2. Step 2: Convert to fraction form
    254,867.36/351,726 = 140,154.80/x
  3. Step 3: Cross multiply
    254,867.36x = 351,726 × 140,154.80
  4. Step 4: Simplify right side
    254,867.36x = 49,296,087,184.80
  5. Step 5: Solve for x
    x = 49,296,087,184.80/254,867.36
  6. Step 6: Final answer
    x = 193,418.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.