Home / 127,048.38-175,331.43-76,737.66

Finding the Fourth Proportional to 127,048.38, 175,331.43 and 76,737.66

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Solution

The fourth proportional to 127,048.38, 175,331.43 and 76,737.66 is: 105,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,048.38 : 175,331.43 = 76,737.66 : x
  2. Step 2: Convert to fraction form
    127,048.38/175,331.43 = 76,737.66/x
  3. Step 3: Cross multiply
    127,048.38x = 175,331.43 × 76,737.66
  4. Step 4: Simplify right side
    127,048.38x = 13,454,523,662.65
  5. Step 5: Solve for x
    x = 13,454,523,662.65/127,048.38
  6. Step 6: Final answer
    x = 105,900.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.