Home / 138,266.16-207,206.34-104,504.34

Finding the Fourth Proportional to 138,266.16, 207,206.34 and 104,504.34

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Solution

The fourth proportional to 138,266.16, 207,206.34 and 104,504.34 is: 156,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,266.16 : 207,206.34 = 104,504.34 : x
  2. Step 2: Convert to fraction form
    138,266.16/207,206.34 = 104,504.34/x
  3. Step 3: Cross multiply
    138,266.16x = 207,206.34 × 104,504.34
  4. Step 4: Simplify right side
    138,266.16x = 21,653,962,190.65
  5. Step 5: Solve for x
    x = 21,653,962,190.65/138,266.16
  6. Step 6: Final answer
    x = 156,610.72

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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.