Home / 156,750.22-234,919.86-72,499.60

Finding the Fourth Proportional to 156,750.22, 234,919.86 and 72,499.60

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Solution

The fourth proportional to 156,750.22, 234,919.86 and 72,499.60 is: 108,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,750.22 : 234,919.86 = 72,499.60 : x
  2. Step 2: Convert to fraction form
    156,750.22/234,919.86 = 72,499.60/x
  3. Step 3: Cross multiply
    156,750.22x = 234,919.86 × 72,499.60
  4. Step 4: Simplify right side
    156,750.22x = 17,031,595,882.06
  5. Step 5: Solve for x
    x = 17,031,595,882.06/156,750.22
  6. Step 6: Final answer
    x = 108,654.37

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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.