Home / 132,440.80-198,488.40-61,355.20

Finding the Fourth Proportional to 132,440.80, 198,488.40 and 61,355.20

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Solution

The fourth proportional to 132,440.80, 198,488.40 and 61,355.20 is: 91,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.80 : 198,488.40 = 61,355.20 : x
  2. Step 2: Convert to fraction form
    132,440.80/198,488.40 = 61,355.20/x
  3. Step 3: Cross multiply
    132,440.80x = 198,488.40 × 61,355.20
  4. Step 4: Simplify right side
    132,440.80x = 12,178,295,479.68
  5. Step 5: Solve for x
    x = 12,178,295,479.68/132,440.80
  6. Step 6: Final answer
    x = 91,952.75

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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.