Home / 123,222.92-170,047.69-66,634.29

Finding the Fourth Proportional to 123,222.92, 170,047.69 and 66,634.29

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Solution

The fourth proportional to 123,222.92, 170,047.69 and 66,634.29 is: 91,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,222.92 : 170,047.69 = 66,634.29 : x
  2. Step 2: Convert to fraction form
    123,222.92/170,047.69 = 66,634.29/x
  3. Step 3: Cross multiply
    123,222.92x = 170,047.69 × 66,634.29
  4. Step 4: Simplify right side
    123,222.92x = 11,331,006,922.70
  5. Step 5: Solve for x
    x = 11,331,006,922.70/123,222.92
  6. Step 6: Final answer
    x = 91,955.36

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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.