Home / 178,862.80-267,905.40-108,619.60

Finding the Fourth Proportional to 178,862.80, 267,905.40 and 108,619.60

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Solution

The fourth proportional to 178,862.80, 267,905.40 and 108,619.60 is: 162,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,862.80 : 267,905.40 = 108,619.60 : x
  2. Step 2: Convert to fraction form
    178,862.80/267,905.40 = 108,619.60/x
  3. Step 3: Cross multiply
    178,862.80x = 267,905.40 × 108,619.60
  4. Step 4: Simplify right side
    178,862.80x = 29,099,777,385.84
  5. Step 5: Solve for x
    x = 29,099,777,385.84/178,862.80
  6. Step 6: Final answer
    x = 162,693.29

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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.