Home / 156,021.60-234,032.40-106,255.20

Finding the Fourth Proportional to 156,021.60, 234,032.40 and 106,255.20

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Solution

The fourth proportional to 156,021.60, 234,032.40 and 106,255.20 is: 159,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,021.60 : 234,032.40 = 106,255.20 : x
  2. Step 2: Convert to fraction form
    156,021.60/234,032.40 = 106,255.20/x
  3. Step 3: Cross multiply
    156,021.60x = 234,032.40 × 106,255.20
  4. Step 4: Simplify right side
    156,021.60x = 24,867,159,468.48
  5. Step 5: Solve for x
    x = 24,867,159,468.48/156,021.60
  6. Step 6: Final answer
    x = 159,382.80

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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.