Home / 144,909.20-217,365.30-39,728.16

Finding the Fourth Proportional to 144,909.20, 217,365.30 and 39,728.16

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Solution

The fourth proportional to 144,909.20, 217,365.30 and 39,728.16 is: 59,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,909.20 : 217,365.30 = 39,728.16 : x
  2. Step 2: Convert to fraction form
    144,909.20/217,365.30 = 39,728.16/x
  3. Step 3: Cross multiply
    144,909.20x = 217,365.30 × 39,728.16
  4. Step 4: Simplify right side
    144,909.20x = 8,635,523,416.85
  5. Step 5: Solve for x
    x = 8,635,523,416.85/144,909.20
  6. Step 6: Final answer
    x = 59,592.65

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1.5x scale

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.