Home / 132,332.40-198,387.00-57,396.09

Finding the Fourth Proportional to 132,332.40, 198,387.00 and 57,396.09

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Solution

The fourth proportional to 132,332.40, 198,387.00 and 57,396.09 is: 86,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,332.40 : 198,387.00 = 57,396.09 : x
  2. Step 2: Convert to fraction form
    132,332.40/198,387.00 = 57,396.09/x
  3. Step 3: Cross multiply
    132,332.40x = 198,387.00 × 57,396.09
  4. Step 4: Simplify right side
    132,332.40x = 11,386,638,689.35
  5. Step 5: Solve for x
    x = 11,386,638,689.35/132,332.40
  6. Step 6: Final answer
    x = 86,045.74

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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.