Home / 123,262.85-170,102.75-66,674.23

Finding the Fourth Proportional to 123,262.85, 170,102.75 and 66,674.23

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Solution

The fourth proportional to 123,262.85, 170,102.75 and 66,674.23 is: 92,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,262.85 : 170,102.75 = 66,674.23 : x
  2. Step 2: Convert to fraction form
    123,262.85/170,102.75 = 66,674.23/x
  3. Step 3: Cross multiply
    123,262.85x = 170,102.75 × 66,674.23
  4. Step 4: Simplify right side
    123,262.85x = 11,341,469,877.13
  5. Step 5: Solve for x
    x = 11,341,469,877.13/123,262.85
  6. Step 6: Final answer
    x = 92,010.45

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Double scale
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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.