Home / 154,532.70-231,507.45-144,035.10

Finding the Fourth Proportional to 154,532.70, 231,507.45 and 144,035.10

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Solution

The fourth proportional to 154,532.70, 231,507.45 and 144,035.10 is: 215,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,532.70 : 231,507.45 = 144,035.10 : x
  2. Step 2: Convert to fraction form
    154,532.70/231,507.45 = 144,035.10/x
  3. Step 3: Cross multiply
    154,532.70x = 231,507.45 × 144,035.10
  4. Step 4: Simplify right side
    154,532.70x = 33,345,198,711.50
  5. Step 5: Solve for x
    x = 33,345,198,711.50/154,532.70
  6. Step 6: Final answer
    x = 215,780.86

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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.