Home / 178,257.63-267,387.05-45,137.82

Finding the Fourth Proportional to 178,257.63, 267,387.05 and 45,137.82

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Solution

The fourth proportional to 178,257.63, 267,387.05 and 45,137.82 is: 67,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,257.63 : 267,387.05 = 45,137.82 : x
  2. Step 2: Convert to fraction form
    178,257.63/267,387.05 = 45,137.82/x
  3. Step 3: Cross multiply
    178,257.63x = 267,387.05 × 45,137.82
  4. Step 4: Simplify right side
    178,257.63x = 12,069,268,533.23
  5. Step 5: Solve for x
    x = 12,069,268,533.23/178,257.63
  6. Step 6: Final answer
    x = 67,706.88

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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.