Home / 146,747.70-220,121.55-35,939.70

Finding the Fourth Proportional to 146,747.70, 220,121.55 and 35,939.70

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Solution

The fourth proportional to 146,747.70, 220,121.55 and 35,939.70 is: 53,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.70 : 220,121.55 = 35,939.70 : x
  2. Step 2: Convert to fraction form
    146,747.70/220,121.55 = 35,939.70/x
  3. Step 3: Cross multiply
    146,747.70x = 220,121.55 × 35,939.70
  4. Step 4: Simplify right side
    146,747.70x = 7,911,102,470.54
  5. Step 5: Solve for x
    x = 7,911,102,470.54/146,747.70
  6. Step 6: Final answer
    x = 53,909.55

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1.5x scale

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.