Home / 138,937.66-208,405.98-50,191.02

Finding the Fourth Proportional to 138,937.66, 208,405.98 and 50,191.02

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Solution

The fourth proportional to 138,937.66, 208,405.98 and 50,191.02 is: 75,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,937.66 : 208,405.98 = 50,191.02 : x
  2. Step 2: Convert to fraction form
    138,937.66/208,405.98 = 50,191.02/x
  3. Step 3: Cross multiply
    138,937.66x = 208,405.98 × 50,191.02
  4. Step 4: Simplify right side
    138,937.66x = 10,460,108,710.30
  5. Step 5: Solve for x
    x = 10,460,108,710.30/138,937.66
  6. Step 6: Final answer
    x = 75,286.35

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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.