Home / 147,965.88-204,193.26-80,902.20

Finding the Fourth Proportional to 147,965.88, 204,193.26 and 80,902.20

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Solution

The fourth proportional to 147,965.88, 204,193.26 and 80,902.20 is: 111,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,965.88 : 204,193.26 = 80,902.20 : x
  2. Step 2: Convert to fraction form
    147,965.88/204,193.26 = 80,902.20/x
  3. Step 3: Cross multiply
    147,965.88x = 204,193.26 × 80,902.20
  4. Step 4: Simplify right side
    147,965.88x = 16,519,683,959.17
  5. Step 5: Solve for x
    x = 16,519,683,959.17/147,965.88
  6. Step 6: Final answer
    x = 111,645.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.