Home / 156,751.22-234,921.36-72,500.60

Finding the Fourth Proportional to 156,751.22, 234,921.36 and 72,500.60

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Solution

The fourth proportional to 156,751.22, 234,921.36 and 72,500.60 is: 108,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,751.22 : 234,921.36 = 72,500.60 : x
  2. Step 2: Convert to fraction form
    156,751.22/234,921.36 = 72,500.60/x
  3. Step 3: Cross multiply
    156,751.22x = 234,921.36 × 72,500.60
  4. Step 4: Simplify right side
    156,751.22x = 17,031,939,552.82
  5. Step 5: Solve for x
    x = 17,031,939,552.82/156,751.22
  6. Step 6: Final answer
    x = 108,655.87

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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.