Home / 138,510.06-207,765.10-33,329.04

Finding the Fourth Proportional to 138,510.06, 207,765.10 and 33,329.04

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Solution

The fourth proportional to 138,510.06, 207,765.10 and 33,329.04 is: 49,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,510.06 : 207,765.10 = 33,329.04 : x
  2. Step 2: Convert to fraction form
    138,510.06/207,765.10 = 33,329.04/x
  3. Step 3: Cross multiply
    138,510.06x = 207,765.10 × 33,329.04
  4. Step 4: Simplify right side
    138,510.06x = 6,924,611,328.50
  5. Step 5: Solve for x
    x = 6,924,611,328.50/138,510.06
  6. Step 6: Final answer
    x = 49,993.56

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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.