Home / 123,617.30-170,595.30-69,910.38

Finding the Fourth Proportional to 123,617.30, 170,595.30 and 69,910.38

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Solution

The fourth proportional to 123,617.30, 170,595.30 and 69,910.38 is: 96,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,617.30 : 170,595.30 = 69,910.38 : x
  2. Step 2: Convert to fraction form
    123,617.30/170,595.30 = 69,910.38/x
  3. Step 3: Cross multiply
    123,617.30x = 170,595.30 × 69,910.38
  4. Step 4: Simplify right side
    123,617.30x = 11,926,382,249.21
  5. Step 5: Solve for x
    x = 11,926,382,249.21/123,617.30
  6. Step 6: Final answer
    x = 96,478.26

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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.