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Finding the Fourth Proportional to 88,707.10, 133,060.65 and 87,249.10

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Solution

The fourth proportional to 88,707.10, 133,060.65 and 87,249.10 is: 130,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,707.10 : 133,060.65 = 87,249.10 : x
  2. Step 2: Convert to fraction form
    88,707.10/133,060.65 = 87,249.10/x
  3. Step 3: Cross multiply
    88,707.10x = 133,060.65 × 87,249.10
  4. Step 4: Simplify right side
    88,707.10x = 11,609,421,957.92
  5. Step 5: Solve for x
    x = 11,609,421,957.92/88,707.10
  6. Step 6: Final answer
    x = 130,873.65

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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.