Home / 132,329.40-198,494.10-87,811.80

Finding the Fourth Proportional to 132,329.40, 198,494.10 and 87,811.80

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Solution

The fourth proportional to 132,329.40, 198,494.10 and 87,811.80 is: 131,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.40 : 198,494.10 = 87,811.80 : x
  2. Step 2: Convert to fraction form
    132,329.40/198,494.10 = 87,811.80/x
  3. Step 3: Cross multiply
    132,329.40x = 198,494.10 × 87,811.80
  4. Step 4: Simplify right side
    132,329.40x = 17,430,124,210.38
  5. Step 5: Solve for x
    x = 17,430,124,210.38/132,329.40
  6. Step 6: Final answer
    x = 131,717.70

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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.