Home / 138,857.06-208,242.55-50,099.02

Finding the Fourth Proportional to 138,857.06, 208,242.55 and 50,099.02

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Solution

The fourth proportional to 138,857.06, 208,242.55 and 50,099.02 is: 75,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,857.06 : 208,242.55 = 50,099.02 : x
  2. Step 2: Convert to fraction form
    138,857.06/208,242.55 = 50,099.02/x
  3. Step 3: Cross multiply
    138,857.06x = 208,242.55 × 50,099.02
  4. Step 4: Simplify right side
    138,857.06x = 10,432,747,677.30
  5. Step 5: Solve for x
    x = 10,432,747,677.30/138,857.06
  6. Step 6: Final answer
    x = 75,133.00

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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.