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Finding the Fourth Proportional to 178,227.02, 267,319.71 and 71,606.67

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Solution

The fourth proportional to 178,227.02, 267,319.71 and 71,606.67 is: 107,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,227.02 : 267,319.71 = 71,606.67 : x
  2. Step 2: Convert to fraction form
    178,227.02/267,319.71 = 71,606.67/x
  3. Step 3: Cross multiply
    178,227.02x = 267,319.71 × 71,606.67
  4. Step 4: Simplify right side
    178,227.02x = 19,141,874,258.47
  5. Step 5: Solve for x
    x = 19,141,874,258.47/178,227.02
  6. Step 6: Final answer
    x = 107,401.64

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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.