Home / 139,565.04-209,354.40-39,732.24

Finding the Fourth Proportional to 139,565.04, 209,354.40 and 39,732.24

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Solution

The fourth proportional to 139,565.04, 209,354.40 and 39,732.24 is: 59,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,565.04 : 209,354.40 = 39,732.24 : x
  2. Step 2: Convert to fraction form
    139,565.04/209,354.40 = 39,732.24/x
  3. Step 3: Cross multiply
    139,565.04x = 209,354.40 × 39,732.24
  4. Step 4: Simplify right side
    139,565.04x = 8,318,119,265.86
  5. Step 5: Solve for x
    x = 8,318,119,265.86/139,565.04
  6. Step 6: Final answer
    x = 59,600.31

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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.