Home / 180,128.73-270,192.70-169,167.75

Finding the Fourth Proportional to 180,128.73, 270,192.70 and 169,167.75

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Solution

The fourth proportional to 180,128.73, 270,192.70 and 169,167.75 is: 253,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,128.73 : 270,192.70 = 169,167.75 : x
  2. Step 2: Convert to fraction form
    180,128.73/270,192.70 = 169,167.75/x
  3. Step 3: Cross multiply
    180,128.73x = 270,192.70 × 169,167.75
  4. Step 4: Simplify right side
    180,128.73x = 45,707,891,125.43
  5. Step 5: Solve for x
    x = 45,707,891,125.43/180,128.73
  6. Step 6: Final answer
    x = 253,751.25

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1.5x scale

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.