Home / 154,230.75-231,380.15-65,560.05

Finding the Fourth Proportional to 154,230.75, 231,380.15 and 65,560.05

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Solution

The fourth proportional to 154,230.75, 231,380.15 and 65,560.05 is: 98,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,230.75 : 231,380.15 = 65,560.05 : x
  2. Step 2: Convert to fraction form
    154,230.75/231,380.15 = 65,560.05/x
  3. Step 3: Cross multiply
    154,230.75x = 231,380.15 × 65,560.05
  4. Step 4: Simplify right side
    154,230.75x = 15,169,293,875.21
  5. Step 5: Solve for x
    x = 15,169,293,875.21/154,230.75
  6. Step 6: Final answer
    x = 98,354.54

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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.