Home / 89,234.52-133,864.14-30,087.11

Finding the Fourth Proportional to 89,234.52, 133,864.14 and 30,087.11

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Solution

The fourth proportional to 89,234.52, 133,864.14 and 30,087.11 is: 45,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,234.52 : 133,864.14 = 30,087.11 : x
  2. Step 2: Convert to fraction form
    89,234.52/133,864.14 = 30,087.11/x
  3. Step 3: Cross multiply
    89,234.52x = 133,864.14 × 30,087.11
  4. Step 4: Simplify right side
    89,234.52x = 4,027,584,435.91
  5. Step 5: Solve for x
    x = 4,027,584,435.91/89,234.52
  6. Step 6: Final answer
    x = 45,134.82

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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.