Home / 138,257.88-207,175.53-93,112.29

Finding the Fourth Proportional to 138,257.88, 207,175.53 and 93,112.29

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Solution

The fourth proportional to 138,257.88, 207,175.53 and 93,112.29 is: 139,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,257.88 : 207,175.53 = 93,112.29 : x
  2. Step 2: Convert to fraction form
    138,257.88/207,175.53 = 93,112.29/x
  3. Step 3: Cross multiply
    138,257.88x = 207,175.53 × 93,112.29
  4. Step 4: Simplify right side
    138,257.88x = 19,290,588,030.26
  5. Step 5: Solve for x
    x = 19,290,588,030.26/138,257.88
  6. Step 6: Final answer
    x = 139,526.14

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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.