Home / 172,821.17-259,231.35-67,566.13

Finding the Fourth Proportional to 172,821.17, 259,231.35 and 67,566.13

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Solution

The fourth proportional to 172,821.17, 259,231.35 and 67,566.13 is: 101,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,821.17 : 259,231.35 = 67,566.13 : x
  2. Step 2: Convert to fraction form
    172,821.17/259,231.35 = 67,566.13/x
  3. Step 3: Cross multiply
    172,821.17x = 259,231.35 × 67,566.13
  4. Step 4: Simplify right side
    172,821.17x = 17,515,259,094.18
  5. Step 5: Solve for x
    x = 17,515,259,094.18/172,821.17
  6. Step 6: Final answer
    x = 101,349.04

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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.