Home / 219,969.12-329,953.56-79,727.52

Finding the Fourth Proportional to 219,969.12, 329,953.56 and 79,727.52

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Solution

The fourth proportional to 219,969.12, 329,953.56 and 79,727.52 is: 119,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,969.12 : 329,953.56 = 79,727.52 : x
  2. Step 2: Convert to fraction form
    219,969.12/329,953.56 = 79,727.52/x
  3. Step 3: Cross multiply
    219,969.12x = 329,953.56 × 79,727.52
  4. Step 4: Simplify right side
    219,969.12x = 26,306,379,053.97
  5. Step 5: Solve for x
    x = 26,306,379,053.97/219,969.12
  6. Step 6: Final answer
    x = 119,591.24

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1.5x scale

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.