Home / 121,425.67-182,255.15-59,139.91

Finding the Fourth Proportional to 121,425.67, 182,255.15 and 59,139.91

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Solution

The fourth proportional to 121,425.67, 182,255.15 and 59,139.91 is: 88,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,425.67 : 182,255.15 = 59,139.91 : x
  2. Step 2: Convert to fraction form
    121,425.67/182,255.15 = 59,139.91/x
  3. Step 3: Cross multiply
    121,425.67x = 182,255.15 × 59,139.91
  4. Step 4: Simplify right side
    121,425.67x = 10,778,553,168.04
  5. Step 5: Solve for x
    x = 10,778,553,168.04/121,425.67
  6. Step 6: Final answer
    x = 88,766.68

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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.