Home / 154,380.16-231,680.94-65,695.96

Finding the Fourth Proportional to 154,380.16, 231,680.94 and 65,695.96

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Solution

The fourth proportional to 154,380.16, 231,680.94 and 65,695.96 is: 98,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,380.16 : 231,680.94 = 65,695.96 : x
  2. Step 2: Convert to fraction form
    154,380.16/231,680.94 = 65,695.96/x
  3. Step 3: Cross multiply
    154,380.16x = 231,680.94 × 65,695.96
  4. Step 4: Simplify right side
    154,380.16x = 15,220,501,767.00
  5. Step 5: Solve for x
    x = 15,220,501,767.00/154,380.16
  6. Step 6: Final answer
    x = 98,591.05

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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.