Home / 159,942.28-239,539.74-126,437.32

Finding the Fourth Proportional to 159,942.28, 239,539.74 and 126,437.32

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Solution

The fourth proportional to 159,942.28, 239,539.74 and 126,437.32 is: 189,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,942.28 : 239,539.74 = 126,437.32 : x
  2. Step 2: Convert to fraction form
    159,942.28/239,539.74 = 126,437.32/x
  3. Step 3: Cross multiply
    159,942.28x = 239,539.74 × 126,437.32
  4. Step 4: Simplify right side
    159,942.28x = 30,286,762,759.10
  5. Step 5: Solve for x
    x = 30,286,762,759.10/159,942.28
  6. Step 6: Final answer
    x = 189,360.58

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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.