Home / 145,244-217,866-46,748

Finding the Fourth Proportional to 145,244, 217,866 and 46,748

Calculator

Solution

The fourth proportional to 145,244, 217,866 and 46,748 is: 70,122

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,244 : 217,866 = 46,748 : x
  2. Step 2: Convert to fraction form
    145,244/217,866 = 46,748/x
  3. Step 3: Cross multiply
    145,244x = 217,866 × 46,748
  4. Step 4: Simplify right side
    145,244x = 10,184,799,768
  5. Step 5: Solve for x
    x = 10,184,799,768/145,244
  6. Step 6: Final answer
    x = 70,122

Related Problems

Find fourth proportional to 72,622, 108,933 and 23,374
Half scale
Find fourth proportional to 290,488, 435,732 and 93,496
Double scale
Find fourth proportional to 145,245, 217,867.50 and 46,749
Similar ratio
Find fourth proportional to 217,866, 326,799 and 70,122
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.