Home / 132,575.40-198,472.32-87,513.62

Finding the Fourth Proportional to 132,575.40, 198,472.32 and 87,513.62

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Solution

The fourth proportional to 132,575.40, 198,472.32 and 87,513.62 is: 131,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,575.40 : 198,472.32 = 87,513.62 : x
  2. Step 2: Convert to fraction form
    132,575.40/198,472.32 = 87,513.62/x
  3. Step 3: Cross multiply
    132,575.40x = 198,472.32 × 87,513.62
  4. Step 4: Simplify right side
    132,575.40x = 17,369,030,200.64
  5. Step 5: Solve for x
    x = 17,369,030,200.64/132,575.40
  6. Step 6: Final answer
    x = 131,012.47

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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.