Home / 155,086.32-232,717.32-66,331.92

Finding the Fourth Proportional to 155,086.32, 232,717.32 and 66,331.92

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Solution

The fourth proportional to 155,086.32, 232,717.32 and 66,331.92 is: 99,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,086.32 : 232,717.32 = 66,331.92 : x
  2. Step 2: Convert to fraction form
    155,086.32/232,717.32 = 66,331.92/x
  3. Step 3: Cross multiply
    155,086.32x = 232,717.32 × 66,331.92
  4. Step 4: Simplify right side
    155,086.32x = 15,436,586,652.85
  5. Step 5: Solve for x
    x = 15,436,586,652.85/155,086.32
  6. Step 6: Final answer
    x = 99,535.45

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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.