Home / 120,588.26-180,004.13-111,694.46

Finding the Fourth Proportional to 120,588.26, 180,004.13 and 111,694.46

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Solution

The fourth proportional to 120,588.26, 180,004.13 and 111,694.46 is: 166,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,588.26 : 180,004.13 = 111,694.46 : x
  2. Step 2: Convert to fraction form
    120,588.26/180,004.13 = 111,694.46/x
  3. Step 3: Cross multiply
    120,588.26x = 180,004.13 × 111,694.46
  4. Step 4: Simplify right side
    120,588.26x = 20,105,464,098.12
  5. Step 5: Solve for x
    x = 20,105,464,098.12/120,588.26
  6. Step 6: Final answer
    x = 166,728.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.