Home / 165,761.20-248,641.80-112,884.40

Finding the Fourth Proportional to 165,761.20, 248,641.80 and 112,884.40

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Solution

The fourth proportional to 165,761.20, 248,641.80 and 112,884.40 is: 169,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,761.20 : 248,641.80 = 112,884.40 : x
  2. Step 2: Convert to fraction form
    165,761.20/248,641.80 = 112,884.40/x
  3. Step 3: Cross multiply
    165,761.20x = 248,641.80 × 112,884.40
  4. Step 4: Simplify right side
    165,761.20x = 28,067,780,407.92
  5. Step 5: Solve for x
    x = 28,067,780,407.92/165,761.20
  6. Step 6: Final answer
    x = 169,326.60

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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.