Home / 146,886.40-219,892.20-87,691.60

Finding the Fourth Proportional to 146,886.40, 219,892.20 and 87,691.60

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Solution

The fourth proportional to 146,886.40, 219,892.20 and 87,691.60 is: 131,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,886.40 : 219,892.20 = 87,691.60 : x
  2. Step 2: Convert to fraction form
    146,886.40/219,892.20 = 87,691.60/x
  3. Step 3: Cross multiply
    146,886.40x = 219,892.20 × 87,691.60
  4. Step 4: Simplify right side
    146,886.40x = 19,282,698,845.52
  5. Step 5: Solve for x
    x = 19,282,698,845.52/146,886.40
  6. Step 6: Final answer
    x = 131,276.27

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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.