Home / 178,702.05-268,053.18-112,188.90

Finding the Fourth Proportional to 178,702.05, 268,053.18 and 112,188.90

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Solution

The fourth proportional to 178,702.05, 268,053.18 and 112,188.90 is: 168,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,702.05 : 268,053.18 = 112,188.90 : x
  2. Step 2: Convert to fraction form
    178,702.05/268,053.18 = 112,188.90/x
  3. Step 3: Cross multiply
    178,702.05x = 268,053.18 × 112,188.90
  4. Step 4: Simplify right side
    178,702.05x = 30,072,591,405.70
  5. Step 5: Solve for x
    x = 30,072,591,405.70/178,702.05
  6. Step 6: Final answer
    x = 168,283.42

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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.