Home / 132,440.08-198,655.69-57,560.29

Finding the Fourth Proportional to 132,440.08, 198,655.69 and 57,560.29

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Solution

The fourth proportional to 132,440.08, 198,655.69 and 57,560.29 is: 86,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.08 : 198,655.69 = 57,560.29 : x
  2. Step 2: Convert to fraction form
    132,440.08/198,655.69 = 57,560.29/x
  3. Step 3: Cross multiply
    132,440.08x = 198,655.69 × 57,560.29
  4. Step 4: Simplify right side
    132,440.08x = 11,434,679,126.55
  5. Step 5: Solve for x
    x = 11,434,679,126.55/132,440.08
  6. Step 6: Final answer
    x = 86,338.51

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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.