Home / 137,431.32-206,153.19-37,589.28

Finding the Fourth Proportional to 137,431.32, 206,153.19 and 37,589.28

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Solution

The fourth proportional to 137,431.32, 206,153.19 and 37,589.28 is: 56,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,431.32 : 206,153.19 = 37,589.28 : x
  2. Step 2: Convert to fraction form
    137,431.32/206,153.19 = 37,589.28/x
  3. Step 3: Cross multiply
    137,431.32x = 206,153.19 × 37,589.28
  4. Step 4: Simplify right side
    137,431.32x = 7,749,149,981.80
  5. Step 5: Solve for x
    x = 7,749,149,981.80/137,431.32
  6. Step 6: Final answer
    x = 56,385.62

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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.