Home / 219,155.52-328,766.15-76,975.73

Finding the Fourth Proportional to 219,155.52, 328,766.15 and 76,975.73

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Solution

The fourth proportional to 219,155.52, 328,766.15 and 76,975.73 is: 115,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,155.52 : 328,766.15 = 76,975.73 : x
  2. Step 2: Convert to fraction form
    219,155.52/328,766.15 = 76,975.73/x
  3. Step 3: Cross multiply
    219,155.52x = 328,766.15 × 76,975.73
  4. Step 4: Simplify right side
    219,155.52x = 25,307,016,134.58
  5. Step 5: Solve for x
    x = 25,307,016,134.58/219,155.52
  6. Step 6: Final answer
    x = 115,475.15

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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.