Home / 123,290.92-170,140.22-66,701.08

Finding the Fourth Proportional to 123,290.92, 170,140.22 and 66,701.08

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Solution

The fourth proportional to 123,290.92, 170,140.22 and 66,701.08 is: 92,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,290.92 : 170,140.22 = 66,701.08 : x
  2. Step 2: Convert to fraction form
    123,290.92/170,140.22 = 66,701.08/x
  3. Step 3: Cross multiply
    123,290.92x = 170,140.22 × 66,701.08
  4. Step 4: Simplify right side
    123,290.92x = 11,348,536,425.44
  5. Step 5: Solve for x
    x = 11,348,536,425.44/123,290.92
  6. Step 6: Final answer
    x = 92,046.81

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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.