Home / 104,589.28-144,354.20-62,139.64

Finding the Fourth Proportional to 104,589.28, 144,354.20 and 62,139.64

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Solution

The fourth proportional to 104,589.28, 144,354.20 and 62,139.64 is: 85,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,589.28 : 144,354.20 = 62,139.64 : x
  2. Step 2: Convert to fraction form
    104,589.28/144,354.20 = 62,139.64/x
  3. Step 3: Cross multiply
    104,589.28x = 144,354.20 × 62,139.64
  4. Step 4: Simplify right side
    104,589.28x = 8,970,118,020.49
  5. Step 5: Solve for x
    x = 8,970,118,020.49/104,589.28
  6. Step 6: Final answer
    x = 85,765.18

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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.