Home / 154,529.20-231,502.20-144,031.60

Finding the Fourth Proportional to 154,529.20, 231,502.20 and 144,031.60

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Solution

The fourth proportional to 154,529.20, 231,502.20 and 144,031.60 is: 215,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,529.20 : 231,502.20 = 144,031.60 : x
  2. Step 2: Convert to fraction form
    154,529.20/231,502.20 = 144,031.60/x
  3. Step 3: Cross multiply
    154,529.20x = 231,502.20 × 144,031.60
  4. Step 4: Simplify right side
    154,529.20x = 33,343,632,269.52
  5. Step 5: Solve for x
    x = 33,343,632,269.52/154,529.20
  6. Step 6: Final answer
    x = 215,775.61

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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.