Home / 154,102.24-231,188.84-65,359.20

Finding the Fourth Proportional to 154,102.24, 231,188.84 and 65,359.20

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Solution

The fourth proportional to 154,102.24, 231,188.84 and 65,359.20 is: 98,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,102.24 : 231,188.84 = 65,359.20 : x
  2. Step 2: Convert to fraction form
    154,102.24/231,188.84 = 65,359.20/x
  3. Step 3: Cross multiply
    154,102.24x = 231,188.84 × 65,359.20
  4. Step 4: Simplify right side
    154,102.24x = 15,110,317,631.33
  5. Step 5: Solve for x
    x = 15,110,317,631.33/154,102.24
  6. Step 6: Final answer
    x = 98,053.85

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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.