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Finding the Fourth Proportional to 230,066.52, 345,158.10 and 87,911.88

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Solution

The fourth proportional to 230,066.52, 345,158.10 and 87,911.88 is: 131,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,066.52 : 345,158.10 = 87,911.88 : x
  2. Step 2: Convert to fraction form
    230,066.52/345,158.10 = 87,911.88/x
  3. Step 3: Cross multiply
    230,066.52x = 345,158.10 × 87,911.88
  4. Step 4: Simplify right side
    230,066.52x = 30,343,497,468.23
  5. Step 5: Solve for x
    x = 30,343,497,468.23/230,066.52
  6. Step 6: Final answer
    x = 131,890.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.