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Finding the Fourth Proportional to 162,565.04, 243,891.39 and 67,763.72

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Solution

The fourth proportional to 162,565.04, 243,891.39 and 67,763.72 is: 101,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,565.04 : 243,891.39 = 67,763.72 : x
  2. Step 2: Convert to fraction form
    162,565.04/243,891.39 = 67,763.72/x
  3. Step 3: Cross multiply
    162,565.04x = 243,891.39 × 67,763.72
  4. Step 4: Simplify right side
    162,565.04x = 16,526,986,388.80
  5. Step 5: Solve for x
    x = 16,526,986,388.80/162,565.04
  6. Step 6: Final answer
    x = 101,663.84

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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.