Home / 178,135.53-267,178.59-45,007.58

Finding the Fourth Proportional to 178,135.53, 267,178.59 and 45,007.58

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Solution

The fourth proportional to 178,135.53, 267,178.59 and 45,007.58 is: 67,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,135.53 : 267,178.59 = 45,007.58 : x
  2. Step 2: Convert to fraction form
    178,135.53/267,178.59 = 45,007.58/x
  3. Step 3: Cross multiply
    178,135.53x = 267,178.59 × 45,007.58
  4. Step 4: Simplify right side
    178,135.53x = 12,025,060,427.82
  5. Step 5: Solve for x
    x = 12,025,060,427.82/178,135.53
  6. Step 6: Final answer
    x = 67,505.12

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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.