Home / 138,243.03-207,445.20-58,276.14

Finding the Fourth Proportional to 138,243.03, 207,445.20 and 58,276.14

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Solution

The fourth proportional to 138,243.03, 207,445.20 and 58,276.14 is: 87,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,243.03 : 207,445.20 = 58,276.14 : x
  2. Step 2: Convert to fraction form
    138,243.03/207,445.20 = 58,276.14/x
  3. Step 3: Cross multiply
    138,243.03x = 207,445.20 × 58,276.14
  4. Step 4: Simplify right side
    138,243.03x = 12,089,105,517.53
  5. Step 5: Solve for x
    x = 12,089,105,517.53/138,243.03
  6. Step 6: Final answer
    x = 87,448.21

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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.