Home / 215,432.58-323,296.52-75,191.20

Finding the Fourth Proportional to 215,432.58, 323,296.52 and 75,191.20

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Solution

The fourth proportional to 215,432.58, 323,296.52 and 75,191.20 is: 112,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,432.58 : 323,296.52 = 75,191.20 : x
  2. Step 2: Convert to fraction form
    215,432.58/323,296.52 = 75,191.20/x
  3. Step 3: Cross multiply
    215,432.58x = 323,296.52 × 75,191.20
  4. Step 4: Simplify right side
    215,432.58x = 24,309,053,928.97
  5. Step 5: Solve for x
    x = 24,309,053,928.97/215,432.58
  6. Step 6: Final answer
    x = 112,838.34

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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.