Home / 250,221.02-375,380.57-81,696.11

Finding the Fourth Proportional to 250,221.02, 375,380.57 and 81,696.11

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Solution

The fourth proportional to 250,221.02, 375,380.57 and 81,696.11 is: 122,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,221.02 : 375,380.57 = 81,696.11 : x
  2. Step 2: Convert to fraction form
    250,221.02/375,380.57 = 81,696.11/x
  3. Step 3: Cross multiply
    250,221.02x = 375,380.57 × 81,696.11
  4. Step 4: Simplify right side
    250,221.02x = 30,667,131,930.10
  5. Step 5: Solve for x
    x = 30,667,131,930.10/250,221.02
  6. Step 6: Final answer
    x = 122,560.17

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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.