Home / 120,600.91-166,434.81-66,882.72

Finding the Fourth Proportional to 120,600.91, 166,434.81 and 66,882.72

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Solution

The fourth proportional to 120,600.91, 166,434.81 and 66,882.72 is: 92,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,600.91 : 166,434.81 = 66,882.72 : x
  2. Step 2: Convert to fraction form
    120,600.91/166,434.81 = 66,882.72/x
  3. Step 3: Cross multiply
    120,600.91x = 166,434.81 × 66,882.72
  4. Step 4: Simplify right side
    120,600.91x = 11,131,612,461.07
  5. Step 5: Solve for x
    x = 11,131,612,461.07/120,600.91
  6. Step 6: Final answer
    x = 92,301.23

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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.