Home / 154,947.13-232,437.20-55,116.65

Finding the Fourth Proportional to 154,947.13, 232,437.20 and 55,116.65

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Solution

The fourth proportional to 154,947.13, 232,437.20 and 55,116.65 is: 82,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,947.13 : 232,437.20 = 55,116.65 : x
  2. Step 2: Convert to fraction form
    154,947.13/232,437.20 = 55,116.65/x
  3. Step 3: Cross multiply
    154,947.13x = 232,437.20 × 55,116.65
  4. Step 4: Simplify right side
    154,947.13x = 12,811,160,104.89
  5. Step 5: Solve for x
    x = 12,811,160,104.89/154,947.13
  6. Step 6: Final answer
    x = 82,680.85

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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.