Home / 109,046.12-163,470.15-38,909.03

Finding the Fourth Proportional to 109,046.12, 163,470.15 and 38,909.03

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Solution

The fourth proportional to 109,046.12, 163,470.15 and 38,909.03 is: 58,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046.12 : 163,470.15 = 38,909.03 : x
  2. Step 2: Convert to fraction form
    109,046.12/163,470.15 = 38,909.03/x
  3. Step 3: Cross multiply
    109,046.12x = 163,470.15 × 38,909.03
  4. Step 4: Simplify right side
    109,046.12x = 6,360,464,153.10
  5. Step 5: Solve for x
    x = 6,360,464,153.10/109,046.12
  6. Step 6: Final answer
    x = 58,328.21

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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.