Home / 123,219.32-170,045.12-69,493.80

Finding the Fourth Proportional to 123,219.32, 170,045.12 and 69,493.80

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Solution

The fourth proportional to 123,219.32, 170,045.12 and 69,493.80 is: 95,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,219.32 : 170,045.12 = 69,493.80 : x
  2. Step 2: Convert to fraction form
    123,219.32/170,045.12 = 69,493.80/x
  3. Step 3: Cross multiply
    123,219.32x = 170,045.12 × 69,493.80
  4. Step 4: Simplify right side
    123,219.32x = 11,817,081,560.26
  5. Step 5: Solve for x
    x = 11,817,081,560.26/123,219.32
  6. Step 6: Final answer
    x = 95,902.83

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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.