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Finding the Fourth Proportional to 118,067.16, 162,932.80 and 64,352.22

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Solution

The fourth proportional to 118,067.16, 162,932.80 and 64,352.22 is: 88,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,067.16 : 162,932.80 = 64,352.22 : x
  2. Step 2: Convert to fraction form
    118,067.16/162,932.80 = 64,352.22/x
  3. Step 3: Cross multiply
    118,067.16x = 162,932.80 × 64,352.22
  4. Step 4: Simplify right side
    118,067.16x = 10,485,087,390.82
  5. Step 5: Solve for x
    x = 10,485,087,390.82/118,067.16
  6. Step 6: Final answer
    x = 88,806.13

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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.