Home / 138,842.08-208,096.18-63,858.90

Finding the Fourth Proportional to 138,842.08, 208,096.18 and 63,858.90

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Solution

The fourth proportional to 138,842.08, 208,096.18 and 63,858.90 is: 95,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,842.08 : 208,096.18 = 63,858.90 : x
  2. Step 2: Convert to fraction form
    138,842.08/208,096.18 = 63,858.90/x
  3. Step 3: Cross multiply
    138,842.08x = 208,096.18 × 63,858.90
  4. Step 4: Simplify right side
    138,842.08x = 13,288,793,149.00
  5. Step 5: Solve for x
    x = 13,288,793,149.00/138,842.08
  6. Step 6: Final answer
    x = 95,711.57

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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.