Home / 134,545.88-185,673.53-74,116.78

Finding the Fourth Proportional to 134,545.88, 185,673.53 and 74,116.78

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Solution

The fourth proportional to 134,545.88, 185,673.53 and 74,116.78 is: 102,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,545.88 : 185,673.53 = 74,116.78 : x
  2. Step 2: Convert to fraction form
    134,545.88/185,673.53 = 74,116.78/x
  3. Step 3: Cross multiply
    134,545.88x = 185,673.53 × 74,116.78
  4. Step 4: Simplify right side
    134,545.88x = 13,761,523,895.94
  5. Step 5: Solve for x
    x = 13,761,523,895.94/134,545.88
  6. Step 6: Final answer
    x = 102,281.27

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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.