Home / 138,865.90-208,299.15-50,182.04

Finding the Fourth Proportional to 138,865.90, 208,299.15 and 50,182.04

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Solution

The fourth proportional to 138,865.90, 208,299.15 and 50,182.04 is: 75,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,865.90 : 208,299.15 = 50,182.04 : x
  2. Step 2: Convert to fraction form
    138,865.90/208,299.15 = 50,182.04/x
  3. Step 3: Cross multiply
    138,865.90x = 208,299.15 × 50,182.04
  4. Step 4: Simplify right side
    138,865.90x = 10,452,875,235.77
  5. Step 5: Solve for x
    x = 10,452,875,235.77/138,865.90
  6. Step 6: Final answer
    x = 75,273.16

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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.