Home / 138,257.34-207,384.66-63,356.25

Finding the Fourth Proportional to 138,257.34, 207,384.66 and 63,356.25

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Solution

The fourth proportional to 138,257.34, 207,384.66 and 63,356.25 is: 95,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,257.34 : 207,384.66 = 63,356.25 : x
  2. Step 2: Convert to fraction form
    138,257.34/207,384.66 = 63,356.25/x
  3. Step 3: Cross multiply
    138,257.34x = 207,384.66 × 63,356.25
  4. Step 4: Simplify right side
    138,257.34x = 13,139,114,365.13
  5. Step 5: Solve for x
    x = 13,139,114,365.13/138,257.34
  6. Step 6: Final answer
    x = 95,033.76

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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.