Home / 133,079.10-199,290.60-88,464.30

Finding the Fourth Proportional to 133,079.10, 199,290.60 and 88,464.30

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Solution

The fourth proportional to 133,079.10, 199,290.60 and 88,464.30 is: 132,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,079.10 : 199,290.60 = 88,464.30 : x
  2. Step 2: Convert to fraction form
    133,079.10/199,290.60 = 88,464.30/x
  3. Step 3: Cross multiply
    133,079.10x = 199,290.60 × 88,464.30
  4. Step 4: Simplify right side
    133,079.10x = 17,630,103,425.58
  5. Step 5: Solve for x
    x = 17,630,103,425.58/133,079.10
  6. Step 6: Final answer
    x = 132,478.38

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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.