Home / 146,276.40-219,414.60-122,656.80

Finding the Fourth Proportional to 146,276.40, 219,414.60 and 122,656.80

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Solution

The fourth proportional to 146,276.40, 219,414.60 and 122,656.80 is: 183,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,276.40 : 219,414.60 = 122,656.80 : x
  2. Step 2: Convert to fraction form
    146,276.40/219,414.60 = 122,656.80/x
  3. Step 3: Cross multiply
    146,276.40x = 219,414.60 × 122,656.80
  4. Step 4: Simplify right side
    146,276.40x = 26,912,692,709.28
  5. Step 5: Solve for x
    x = 26,912,692,709.28/146,276.40
  6. Step 6: Final answer
    x = 183,985.20

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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.