Home / 156,921.60-234,993.60-100,675.20

Finding the Fourth Proportional to 156,921.60, 234,993.60 and 100,675.20

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Solution

The fourth proportional to 156,921.60, 234,993.60 and 100,675.20 is: 150,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.60 : 234,993.60 = 100,675.20 : x
  2. Step 2: Convert to fraction form
    156,921.60/234,993.60 = 100,675.20/x
  3. Step 3: Cross multiply
    156,921.60x = 234,993.60 × 100,675.20
  4. Step 4: Simplify right side
    156,921.60x = 23,658,027,678.72
  5. Step 5: Solve for x
    x = 23,658,027,678.72/156,921.60
  6. Step 6: Final answer
    x = 150,763.36

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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.