Home / 138,104.82-207,139.23-63,203.22

Finding the Fourth Proportional to 138,104.82, 207,139.23 and 63,203.22

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Solution

The fourth proportional to 138,104.82, 207,139.23 and 63,203.22 is: 94,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,104.82 : 207,139.23 = 63,203.22 : x
  2. Step 2: Convert to fraction form
    138,104.82/207,139.23 = 63,203.22/x
  3. Step 3: Cross multiply
    138,104.82x = 207,139.23 × 63,203.22
  4. Step 4: Simplify right side
    138,104.82x = 13,091,866,324.32
  5. Step 5: Solve for x
    x = 13,091,866,324.32/138,104.82
  6. Step 6: Final answer
    x = 94,796.59

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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.