Home / 147,005.10-220,179.60-113,616.90

Finding the Fourth Proportional to 147,005.10, 220,179.60 and 113,616.90

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Solution

The fourth proportional to 147,005.10, 220,179.60 and 113,616.90 is: 170,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,005.10 : 220,179.60 = 113,616.90 : x
  2. Step 2: Convert to fraction form
    147,005.10/220,179.60 = 113,616.90/x
  3. Step 3: Cross multiply
    147,005.10x = 220,179.60 × 113,616.90
  4. Step 4: Simplify right side
    147,005.10x = 25,016,123,595.24
  5. Step 5: Solve for x
    x = 25,016,123,595.24/147,005.10
  6. Step 6: Final answer
    x = 170,171.81

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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.