Home / 239,082.60-329,921.10-137,112.36

Finding the Fourth Proportional to 239,082.60, 329,921.10 and 137,112.36

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Solution

The fourth proportional to 239,082.60, 329,921.10 and 137,112.36 is: 189,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,082.60 : 329,921.10 = 137,112.36 : x
  2. Step 2: Convert to fraction form
    239,082.60/329,921.10 = 137,112.36/x
  3. Step 3: Cross multiply
    239,082.60x = 329,921.10 × 137,112.36
  4. Step 4: Simplify right side
    239,082.60x = 45,236,260,634.80
  5. Step 5: Solve for x
    x = 45,236,260,634.80/239,082.60
  6. Step 6: Final answer
    x = 189,207.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.