Home / 136,310.06-204,498.20-42,815.81

Finding the Fourth Proportional to 136,310.06, 204,498.20 and 42,815.81

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Solution

The fourth proportional to 136,310.06, 204,498.20 and 42,815.81 is: 64,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,310.06 : 204,498.20 = 42,815.81 : x
  2. Step 2: Convert to fraction form
    136,310.06/204,498.20 = 42,815.81/x
  3. Step 3: Cross multiply
    136,310.06x = 204,498.20 × 42,815.81
  4. Step 4: Simplify right side
    136,310.06x = 8,755,756,694.83
  5. Step 5: Solve for x
    x = 8,755,756,694.83/136,310.06
  6. Step 6: Final answer
    x = 64,234.12

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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.