Home / 132,412.28-198,555.99-48,113

Finding the Fourth Proportional to 132,412.28, 198,555.99 and 48,113

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Solution

The fourth proportional to 132,412.28, 198,555.99 and 48,113 is: 72,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,412.28 : 198,555.99 = 48,113 : x
  2. Step 2: Convert to fraction form
    132,412.28/198,555.99 = 48,113/x
  3. Step 3: Cross multiply
    132,412.28x = 198,555.99 × 48,113
  4. Step 4: Simplify right side
    132,412.28x = 9,553,124,346.87
  5. Step 5: Solve for x
    x = 9,553,124,346.87/132,412.28
  6. Step 6: Final answer
    x = 72,146.82

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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.