Home / 138,608.28-207,911.98-33,427.26

Finding the Fourth Proportional to 138,608.28, 207,911.98 and 33,427.26

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Solution

The fourth proportional to 138,608.28, 207,911.98 and 33,427.26 is: 50,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,608.28 : 207,911.98 = 33,427.26 : x
  2. Step 2: Convert to fraction form
    138,608.28/207,911.98 = 33,427.26/x
  3. Step 3: Cross multiply
    138,608.28x = 207,911.98 × 33,427.26
  4. Step 4: Simplify right side
    138,608.28x = 6,949,927,812.57
  5. Step 5: Solve for x
    x = 6,949,927,812.57/138,608.28
  6. Step 6: Final answer
    x = 50,140.78

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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.