Home / 103,631.28-155,474.28-37,078.08

Finding the Fourth Proportional to 103,631.28, 155,474.28 and 37,078.08

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Solution

The fourth proportional to 103,631.28, 155,474.28 and 37,078.08 is: 55,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.28 : 155,474.28 = 37,078.08 : x
  2. Step 2: Convert to fraction form
    103,631.28/155,474.28 = 37,078.08/x
  3. Step 3: Cross multiply
    103,631.28x = 155,474.28 × 37,078.08
  4. Step 4: Simplify right side
    103,631.28x = 5,764,687,791.78
  5. Step 5: Solve for x
    x = 5,764,687,791.78/103,631.28
  6. Step 6: Final answer
    x = 55,626.91

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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.