Home / 155,110.16-232,711.92-55,257.32

Finding the Fourth Proportional to 155,110.16, 232,711.92 and 55,257.32

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Solution

The fourth proportional to 155,110.16, 232,711.92 and 55,257.32 is: 82,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,110.16 : 232,711.92 = 55,257.32 : x
  2. Step 2: Convert to fraction form
    155,110.16/232,711.92 = 55,257.32/x
  3. Step 3: Cross multiply
    155,110.16x = 232,711.92 × 55,257.32
  4. Step 4: Simplify right side
    155,110.16x = 12,859,037,031.25
  5. Step 5: Solve for x
    x = 12,859,037,031.25/155,110.16
  6. Step 6: Final answer
    x = 82,902.61

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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.