Home / 219,699.20-329,625.60-95,129.60

Finding the Fourth Proportional to 219,699.20, 329,625.60 and 95,129.60

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Solution

The fourth proportional to 219,699.20, 329,625.60 and 95,129.60 is: 142,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,699.20 : 329,625.60 = 95,129.60 : x
  2. Step 2: Convert to fraction form
    219,699.20/329,625.60 = 95,129.60/x
  3. Step 3: Cross multiply
    219,699.20x = 329,625.60 × 95,129.60
  4. Step 4: Simplify right side
    219,699.20x = 31,357,151,477.76
  5. Step 5: Solve for x
    x = 31,357,151,477.76/219,699.20
  6. Step 6: Final answer
    x = 142,727.65

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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.