Home / 127,723.46-191,614.98-38,976.80

Finding the Fourth Proportional to 127,723.46, 191,614.98 and 38,976.80

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Solution

The fourth proportional to 127,723.46, 191,614.98 and 38,976.80 is: 58,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.46 : 191,614.98 = 38,976.80 : x
  2. Step 2: Convert to fraction form
    127,723.46/191,614.98 = 38,976.80/x
  3. Step 3: Cross multiply
    127,723.46x = 191,614.98 × 38,976.80
  4. Step 4: Simplify right side
    127,723.46x = 7,468,538,752.46
  5. Step 5: Solve for x
    x = 7,468,538,752.46/127,723.46
  6. Step 6: Final answer
    x = 58,474.29

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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.