Home / 138,856.14-208,306.08-50,131.44

Finding the Fourth Proportional to 138,856.14, 208,306.08 and 50,131.44

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Solution

The fourth proportional to 138,856.14, 208,306.08 and 50,131.44 is: 75,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,856.14 : 208,306.08 = 50,131.44 : x
  2. Step 2: Convert to fraction form
    138,856.14/208,306.08 = 50,131.44/x
  3. Step 3: Cross multiply
    138,856.14x = 208,306.08 × 50,131.44
  4. Step 4: Simplify right side
    138,856.14x = 10,442,683,751.16
  5. Step 5: Solve for x
    x = 10,442,683,751.16/138,856.14
  6. Step 6: Final answer
    x = 75,205.06

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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.