Home / 159,719.70-239,579.55-117,729.30

Finding the Fourth Proportional to 159,719.70, 239,579.55 and 117,729.30

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Solution

The fourth proportional to 159,719.70, 239,579.55 and 117,729.30 is: 176,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,719.70 : 239,579.55 = 117,729.30 : x
  2. Step 2: Convert to fraction form
    159,719.70/239,579.55 = 117,729.30/x
  3. Step 3: Cross multiply
    159,719.70x = 239,579.55 × 117,729.30
  4. Step 4: Simplify right side
    159,719.70x = 28,205,532,715.82
  5. Step 5: Solve for x
    x = 28,205,532,715.82/159,719.70
  6. Step 6: Final answer
    x = 176,593.95

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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.