Home / 108,780.38-163,170.57-38,662.46

Finding the Fourth Proportional to 108,780.38, 163,170.57 and 38,662.46

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Solution

The fourth proportional to 108,780.38, 163,170.57 and 38,662.46 is: 57,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,780.38 : 163,170.57 = 38,662.46 : x
  2. Step 2: Convert to fraction form
    108,780.38/163,170.57 = 38,662.46/x
  3. Step 3: Cross multiply
    108,780.38x = 163,170.57 × 38,662.46
  4. Step 4: Simplify right side
    108,780.38x = 6,308,574,819.95
  5. Step 5: Solve for x
    x = 6,308,574,819.95/108,780.38
  6. Step 6: Final answer
    x = 57,993.69

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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.