Home / 137,304.68-205,988.04-74,123.42

Finding the Fourth Proportional to 137,304.68, 205,988.04 and 74,123.42

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Solution

The fourth proportional to 137,304.68, 205,988.04 and 74,123.42 is: 111,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,304.68 : 205,988.04 = 74,123.42 : x
  2. Step 2: Convert to fraction form
    137,304.68/205,988.04 = 74,123.42/x
  3. Step 3: Cross multiply
    137,304.68x = 205,988.04 × 74,123.42
  4. Step 4: Simplify right side
    137,304.68x = 15,268,536,973.96
  5. Step 5: Solve for x
    x = 15,268,536,973.96/137,304.68
  6. Step 6: Final answer
    x = 111,201.87

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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.