Home / 123,251.10-170,082.60-69,535.40

Finding the Fourth Proportional to 123,251.10, 170,082.60 and 69,535.40

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Solution

The fourth proportional to 123,251.10, 170,082.60 and 69,535.40 is: 95,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.10 : 170,082.60 = 69,535.40 : x
  2. Step 2: Convert to fraction form
    123,251.10/170,082.60 = 69,535.40/x
  3. Step 3: Cross multiply
    123,251.10x = 170,082.60 × 69,535.40
  4. Step 4: Simplify right side
    123,251.10x = 11,826,761,624.04
  5. Step 5: Solve for x
    x = 11,826,761,624.04/123,251.10
  6. Step 6: Final answer
    x = 95,956.64

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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.