Home / 135,851.40-203,777.10-88,612.20

Finding the Fourth Proportional to 135,851.40, 203,777.10 and 88,612.20

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Solution

The fourth proportional to 135,851.40, 203,777.10 and 88,612.20 is: 132,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,851.40 : 203,777.10 = 88,612.20 : x
  2. Step 2: Convert to fraction form
    135,851.40/203,777.10 = 88,612.20/x
  3. Step 3: Cross multiply
    135,851.40x = 203,777.10 × 88,612.20
  4. Step 4: Simplify right side
    135,851.40x = 18,057,137,140.62
  5. Step 5: Solve for x
    x = 18,057,137,140.62/135,851.40
  6. Step 6: Final answer
    x = 132,918.30

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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.