Home / 138,856.47-208,241.55-50,098.38

Finding the Fourth Proportional to 138,856.47, 208,241.55 and 50,098.38

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Solution

The fourth proportional to 138,856.47, 208,241.55 and 50,098.38 is: 75,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,856.47 : 208,241.55 = 50,098.38 : x
  2. Step 2: Convert to fraction form
    138,856.47/208,241.55 = 50,098.38/x
  3. Step 3: Cross multiply
    138,856.47x = 208,241.55 × 50,098.38
  4. Step 4: Simplify right side
    138,856.47x = 10,432,564,303.69
  5. Step 5: Solve for x
    x = 10,432,564,303.69/138,856.47
  6. Step 6: Final answer
    x = 75,132.00

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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.