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Finding the Fourth Proportional to 178,507.02, 267,573.71 and 60,137.46

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Solution

The fourth proportional to 178,507.02, 267,573.71 and 60,137.46 is: 90,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,507.02 : 267,573.71 = 60,137.46 : x
  2. Step 2: Convert to fraction form
    178,507.02/267,573.71 = 60,137.46/x
  3. Step 3: Cross multiply
    178,507.02x = 267,573.71 × 60,137.46
  4. Step 4: Simplify right side
    178,507.02x = 16,091,202,981.49
  5. Step 5: Solve for x
    x = 16,091,202,981.49/178,507.02
  6. Step 6: Final answer
    x = 90,143.25

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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.