Home / 159,549.10-239,064.45-100,278.70

Finding the Fourth Proportional to 159,549.10, 239,064.45 and 100,278.70

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Solution

The fourth proportional to 159,549.10, 239,064.45 and 100,278.70 is: 150,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,549.10 : 239,064.45 = 100,278.70 : x
  2. Step 2: Convert to fraction form
    159,549.10/239,064.45 = 100,278.70/x
  3. Step 3: Cross multiply
    159,549.10x = 239,064.45 × 100,278.70
  4. Step 4: Simplify right side
    159,549.10x = 23,973,072,262.22
  5. Step 5: Solve for x
    x = 23,973,072,262.22/159,549.10
  6. Step 6: Final answer
    x = 150,255.14

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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.