Home / 130,082.22-194,968.01-66,932.59

Finding the Fourth Proportional to 130,082.22, 194,968.01 and 66,932.59

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Solution

The fourth proportional to 130,082.22, 194,968.01 and 66,932.59 is: 100,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,082.22 : 194,968.01 = 66,932.59 : x
  2. Step 2: Convert to fraction form
    130,082.22/194,968.01 = 66,932.59/x
  3. Step 3: Cross multiply
    130,082.22x = 194,968.01 × 66,932.59
  4. Step 4: Simplify right side
    130,082.22x = 13,049,713,876.45
  5. Step 5: Solve for x
    x = 13,049,713,876.45/130,082.22
  6. Step 6: Final answer
    x = 100,318.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.