Home / 149,083.20-223,635.60-89,791.20

Finding the Fourth Proportional to 149,083.20, 223,635.60 and 89,791.20

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Solution

The fourth proportional to 149,083.20, 223,635.60 and 89,791.20 is: 134,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,083.20 : 223,635.60 = 89,791.20 : x
  2. Step 2: Convert to fraction form
    149,083.20/223,635.60 = 89,791.20/x
  3. Step 3: Cross multiply
    149,083.20x = 223,635.60 × 89,791.20
  4. Step 4: Simplify right side
    149,083.20x = 20,080,508,886.72
  5. Step 5: Solve for x
    x = 20,080,508,886.72/149,083.20
  6. Step 6: Final answer
    x = 134,693.30

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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.