Home / 137,443.29-206,244.23-74,263.59

Finding the Fourth Proportional to 137,443.29, 206,244.23 and 74,263.59

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Solution

The fourth proportional to 137,443.29, 206,244.23 and 74,263.59 is: 111,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,443.29 : 206,244.23 = 74,263.59 : x
  2. Step 2: Convert to fraction form
    137,443.29/206,244.23 = 74,263.59/x
  3. Step 3: Cross multiply
    137,443.29x = 206,244.23 × 74,263.59
  4. Step 4: Simplify right side
    137,443.29x = 15,316,436,565.27
  5. Step 5: Solve for x
    x = 15,316,436,565.27/137,443.29
  6. Step 6: Final answer
    x = 111,438.23

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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.