Home / 138,829.31-208,086.55-63,794.41

Finding the Fourth Proportional to 138,829.31, 208,086.55 and 63,794.41

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Solution

The fourth proportional to 138,829.31, 208,086.55 and 63,794.41 is: 95,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,829.31 : 208,086.55 = 63,794.41 : x
  2. Step 2: Convert to fraction form
    138,829.31/208,086.55 = 63,794.41/x
  3. Step 3: Cross multiply
    138,829.31x = 208,086.55 × 63,794.41
  4. Step 4: Simplify right side
    138,829.31x = 13,274,758,734.83
  5. Step 5: Solve for x
    x = 13,274,758,734.83/138,829.31
  6. Step 6: Final answer
    x = 95,619.28

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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.