Home / 154,550.20-231,836.10-61,043.80

Finding the Fourth Proportional to 154,550.20, 231,836.10 and 61,043.80

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Solution

The fourth proportional to 154,550.20, 231,836.10 and 61,043.80 is: 91,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.20 : 231,836.10 = 61,043.80 : x
  2. Step 2: Convert to fraction form
    154,550.20/231,836.10 = 61,043.80/x
  3. Step 3: Cross multiply
    154,550.20x = 231,836.10 × 61,043.80
  4. Step 4: Simplify right side
    154,550.20x = 14,152,156,521.18
  5. Step 5: Solve for x
    x = 14,152,156,521.18/154,550.20
  6. Step 6: Final answer
    x = 91,569.97

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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.