Home / 120,309.23-166,044.21-69,312.04

Finding the Fourth Proportional to 120,309.23, 166,044.21 and 69,312.04

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Solution

The fourth proportional to 120,309.23, 166,044.21 and 69,312.04 is: 95,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,309.23 : 166,044.21 = 69,312.04 : x
  2. Step 2: Convert to fraction form
    120,309.23/166,044.21 = 69,312.04/x
  3. Step 3: Cross multiply
    120,309.23x = 166,044.21 × 69,312.04
  4. Step 4: Simplify right side
    120,309.23x = 11,508,862,640.14
  5. Step 5: Solve for x
    x = 11,508,862,640.14/120,309.23
  6. Step 6: Final answer
    x = 95,660.68

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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.