Home / 159,941.28-239,538.24-126,436.32

Finding the Fourth Proportional to 159,941.28, 239,538.24 and 126,436.32

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Solution

The fourth proportional to 159,941.28, 239,538.24 and 126,436.32 is: 189,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,941.28 : 239,538.24 = 126,436.32 : x
  2. Step 2: Convert to fraction form
    159,941.28/239,538.24 = 126,436.32/x
  3. Step 3: Cross multiply
    159,941.28x = 239,538.24 × 126,436.32
  4. Step 4: Simplify right side
    159,941.28x = 30,286,333,564.88
  5. Step 5: Solve for x
    x = 30,286,333,564.88/159,941.28
  6. Step 6: Final answer
    x = 189,359.08

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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.