Home / 117,454.11-162,086.77-63,739.12

Finding the Fourth Proportional to 117,454.11, 162,086.77 and 63,739.12

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Solution

The fourth proportional to 117,454.11, 162,086.77 and 63,739.12 is: 87,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.11 : 162,086.77 = 63,739.12 : x
  2. Step 2: Convert to fraction form
    117,454.11/162,086.77 = 63,739.12/x
  3. Step 3: Cross multiply
    117,454.11x = 162,086.77 × 63,739.12
  4. Step 4: Simplify right side
    117,454.11x = 10,331,267,764.75
  5. Step 5: Solve for x
    x = 10,331,267,764.75/117,454.11
  6. Step 6: Final answer
    x = 87,960.04

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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.