Home / 113,452.40-156,561.72-71,034.32

Finding the Fourth Proportional to 113,452.40, 156,561.72 and 71,034.32

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Solution

The fourth proportional to 113,452.40, 156,561.72 and 71,034.32 is: 98,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,452.40 : 156,561.72 = 71,034.32 : x
  2. Step 2: Convert to fraction form
    113,452.40/156,561.72 = 71,034.32/x
  3. Step 3: Cross multiply
    113,452.40x = 156,561.72 × 71,034.32
  4. Step 4: Simplify right side
    113,452.40x = 11,121,255,318.23
  5. Step 5: Solve for x
    x = 11,121,255,318.23/113,452.40
  6. Step 6: Final answer
    x = 98,025.74

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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.