Home / 154,961.20-232,441.80-55,124.65

Finding the Fourth Proportional to 154,961.20, 232,441.80 and 55,124.65

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Solution

The fourth proportional to 154,961.20, 232,441.80 and 55,124.65 is: 82,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,961.20 : 232,441.80 = 55,124.65 : x
  2. Step 2: Convert to fraction form
    154,961.20/232,441.80 = 55,124.65/x
  3. Step 3: Cross multiply
    154,961.20x = 232,441.80 × 55,124.65
  4. Step 4: Simplify right side
    154,961.20x = 12,813,272,870.37
  5. Step 5: Solve for x
    x = 12,813,272,870.37/154,961.20
  6. Step 6: Final answer
    x = 82,686.98

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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.