Home / 101,844.75-140,545.76-57,132.75

Finding the Fourth Proportional to 101,844.75, 140,545.76 and 57,132.75

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Solution

The fourth proportional to 101,844.75, 140,545.76 and 57,132.75 is: 78,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,844.75 : 140,545.76 = 57,132.75 : x
  2. Step 2: Convert to fraction form
    101,844.75/140,545.76 = 57,132.75/x
  3. Step 3: Cross multiply
    101,844.75x = 140,545.76 × 57,132.75
  4. Step 4: Simplify right side
    101,844.75x = 8,029,765,769.64
  5. Step 5: Solve for x
    x = 8,029,765,769.64/101,844.75
  6. Step 6: Final answer
    x = 78,843.20

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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.