Home / 138,255.87-207,172.53-93,110.29

Finding the Fourth Proportional to 138,255.87, 207,172.53 and 93,110.29

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Solution

The fourth proportional to 138,255.87, 207,172.53 and 93,110.29 is: 139,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,255.87 : 207,172.53 = 93,110.29 : x
  2. Step 2: Convert to fraction form
    138,255.87/207,172.53 = 93,110.29/x
  3. Step 3: Cross multiply
    138,255.87x = 207,172.53 × 93,110.29
  4. Step 4: Simplify right side
    138,255.87x = 19,289,894,348.33
  5. Step 5: Solve for x
    x = 19,289,894,348.33/138,255.87
  6. Step 6: Final answer
    x = 139,523.15

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1.5x scale

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.