Home / 178,298.82-267,441.75-71,715.78

Finding the Fourth Proportional to 178,298.82, 267,441.75 and 71,715.78

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Solution

The fourth proportional to 178,298.82, 267,441.75 and 71,715.78 is: 107,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,298.82 : 267,441.75 = 71,715.78 : x
  2. Step 2: Convert to fraction form
    178,298.82/267,441.75 = 71,715.78/x
  3. Step 3: Cross multiply
    178,298.82x = 267,441.75 × 71,715.78
  4. Step 4: Simplify right side
    178,298.82x = 19,179,793,705.82
  5. Step 5: Solve for x
    x = 19,179,793,705.82/178,298.82
  6. Step 6: Final answer
    x = 107,571.06

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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.