Home / 154,037.70-231,229.35-119,132.10

Finding the Fourth Proportional to 154,037.70, 231,229.35 and 119,132.10

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Solution

The fourth proportional to 154,037.70, 231,229.35 and 119,132.10 is: 178,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,037.70 : 231,229.35 = 119,132.10 : x
  2. Step 2: Convert to fraction form
    154,037.70/231,229.35 = 119,132.10/x
  3. Step 3: Cross multiply
    154,037.70x = 231,229.35 × 119,132.10
  4. Step 4: Simplify right side
    154,037.70x = 27,546,838,047.14
  5. Step 5: Solve for x
    x = 27,546,838,047.14/154,037.70
  6. Step 6: Final answer
    x = 178,831.79

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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.