Home / 123,350.35-170,224.00-66,761.72

Finding the Fourth Proportional to 123,350.35, 170,224.00 and 66,761.72

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Solution

The fourth proportional to 123,350.35, 170,224.00 and 66,761.72 is: 92,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,350.35 : 170,224.00 = 66,761.72 : x
  2. Step 2: Convert to fraction form
    123,350.35/170,224.00 = 66,761.72/x
  3. Step 3: Cross multiply
    123,350.35x = 170,224.00 × 66,761.72
  4. Step 4: Simplify right side
    123,350.35x = 11,364,447,117.03
  5. Step 5: Solve for x
    x = 11,364,447,117.03/123,350.35
  6. Step 6: Final answer
    x = 92,131.46

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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.