Home / 124,201.62-186,134.76-89,063.82

Finding the Fourth Proportional to 124,201.62, 186,134.76 and 89,063.82

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Solution

The fourth proportional to 124,201.62, 186,134.76 and 89,063.82 is: 133,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,201.62 : 186,134.76 = 89,063.82 : x
  2. Step 2: Convert to fraction form
    124,201.62/186,134.76 = 89,063.82/x
  3. Step 3: Cross multiply
    124,201.62x = 186,134.76 × 89,063.82
  4. Step 4: Simplify right side
    124,201.62x = 16,577,872,760.38
  5. Step 5: Solve for x
    x = 16,577,872,760.38/124,201.62
  6. Step 6: Final answer
    x = 133,475.50

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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.