Home / 136,358.40-204,425.76-61,456.08

Finding the Fourth Proportional to 136,358.40, 204,425.76 and 61,456.08

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Solution

The fourth proportional to 136,358.40, 204,425.76 and 61,456.08 is: 92,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,358.40 : 204,425.76 = 61,456.08 : x
  2. Step 2: Convert to fraction form
    136,358.40/204,425.76 = 61,456.08/x
  3. Step 3: Cross multiply
    136,358.40x = 204,425.76 × 61,456.08
  4. Step 4: Simplify right side
    136,358.40x = 12,563,205,860.62
  5. Step 5: Solve for x
    x = 12,563,205,860.62/136,358.40
  6. Step 6: Final answer
    x = 92,133.71

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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.