Home / 156,267.12-234,289.32-73,115.76

Finding the Fourth Proportional to 156,267.12, 234,289.32 and 73,115.76

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Solution

The fourth proportional to 156,267.12, 234,289.32 and 73,115.76 is: 109,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,267.12 : 234,289.32 = 73,115.76 : x
  2. Step 2: Convert to fraction form
    156,267.12/234,289.32 = 73,115.76/x
  3. Step 3: Cross multiply
    156,267.12x = 234,289.32 × 73,115.76
  4. Step 4: Simplify right side
    156,267.12x = 17,130,241,691.68
  5. Step 5: Solve for x
    x = 17,130,241,691.68/156,267.12
  6. Step 6: Final answer
    x = 109,621.54

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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.