Home / 115,224.80-172,837.20-36,345.18

Finding the Fourth Proportional to 115,224.80, 172,837.20 and 36,345.18

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Solution

The fourth proportional to 115,224.80, 172,837.20 and 36,345.18 is: 54,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,224.80 : 172,837.20 = 36,345.18 : x
  2. Step 2: Convert to fraction form
    115,224.80/172,837.20 = 36,345.18/x
  3. Step 3: Cross multiply
    115,224.80x = 172,837.20 × 36,345.18
  4. Step 4: Simplify right side
    115,224.80x = 6,281,799,144.70
  5. Step 5: Solve for x
    x = 6,281,799,144.70/115,224.80
  6. Step 6: Final answer
    x = 54,517.77

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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.