Home / 123,222.40-170,047.08-66,633.88

Finding the Fourth Proportional to 123,222.40, 170,047.08 and 66,633.88

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Solution

The fourth proportional to 123,222.40, 170,047.08 and 66,633.88 is: 91,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,222.40 : 170,047.08 = 66,633.88 : x
  2. Step 2: Convert to fraction form
    123,222.40/170,047.08 = 66,633.88/x
  3. Step 3: Cross multiply
    123,222.40x = 170,047.08 × 66,633.88
  4. Step 4: Simplify right side
    123,222.40x = 11,330,896,723.07
  5. Step 5: Solve for x
    x = 11,330,896,723.07/123,222.40
  6. Step 6: Final answer
    x = 91,954.85

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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.