Home / 147,470.28-220,128.82-126,544.79

Finding the Fourth Proportional to 147,470.28, 220,128.82 and 126,544.79

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Solution

The fourth proportional to 147,470.28, 220,128.82 and 126,544.79 is: 188,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,470.28 : 220,128.82 = 126,544.79 : x
  2. Step 2: Convert to fraction form
    147,470.28/220,128.82 = 126,544.79/x
  3. Step 3: Cross multiply
    147,470.28x = 220,128.82 × 126,544.79
  4. Step 4: Simplify right side
    147,470.28x = 27,856,155,299.85
  5. Step 5: Solve for x
    x = 27,856,155,299.85/147,470.28
  6. Step 6: Final answer
    x = 188,893.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.