Home / 137,318.19-206,008.29-74,136.93

Finding the Fourth Proportional to 137,318.19, 206,008.29 and 74,136.93

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Solution

The fourth proportional to 137,318.19, 206,008.29 and 74,136.93 is: 111,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,318.19 : 206,008.29 = 74,136.93 : x
  2. Step 2: Convert to fraction form
    137,318.19/206,008.29 = 74,136.93/x
  3. Step 3: Cross multiply
    137,318.19x = 206,008.29 × 74,136.93
  4. Step 4: Simplify right side
    137,318.19x = 15,272,822,175.15
  5. Step 5: Solve for x
    x = 15,272,822,175.15/137,318.19
  6. Step 6: Final answer
    x = 111,222.13

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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.