Home / 147,612.80-221,127.60-88,272.20

Finding the Fourth Proportional to 147,612.80, 221,127.60 and 88,272.20

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Solution

The fourth proportional to 147,612.80, 221,127.60 and 88,272.20 is: 132,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612.80 : 221,127.60 = 88,272.20 : x
  2. Step 2: Convert to fraction form
    147,612.80/221,127.60 = 88,272.20/x
  3. Step 3: Cross multiply
    147,612.80x = 221,127.60 × 88,272.20
  4. Step 4: Simplify right side
    147,612.80x = 19,519,419,732.72
  5. Step 5: Solve for x
    x = 19,519,419,732.72/147,612.80
  6. Step 6: Final answer
    x = 132,233.92

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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.