Home / 123,506.82-170,416.98-69,059.97

Finding the Fourth Proportional to 123,506.82, 170,416.98 and 69,059.97

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Solution

The fourth proportional to 123,506.82, 170,416.98 and 69,059.97 is: 95,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,506.82 : 170,416.98 = 69,059.97 : x
  2. Step 2: Convert to fraction form
    123,506.82/170,416.98 = 69,059.97/x
  3. Step 3: Cross multiply
    123,506.82x = 170,416.98 × 69,059.97
  4. Step 4: Simplify right side
    123,506.82x = 11,768,990,328.91
  5. Step 5: Solve for x
    x = 11,768,990,328.91/123,506.82
  6. Step 6: Final answer
    x = 95,290.21

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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.