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Finding the Fourth Proportional to 109,891.46, 151,650.30 and 59,590.46

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Solution

The fourth proportional to 109,891.46, 151,650.30 and 59,590.46 is: 82,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,891.46 : 151,650.30 = 59,590.46 : x
  2. Step 2: Convert to fraction form
    109,891.46/151,650.30 = 59,590.46/x
  3. Step 3: Cross multiply
    109,891.46x = 151,650.30 × 59,590.46
  4. Step 4: Simplify right side
    109,891.46x = 9,036,911,136.14
  5. Step 5: Solve for x
    x = 9,036,911,136.14/109,891.46
  6. Step 6: Final answer
    x = 82,234.88

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1.5x scale

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.