Home / 80,107.20-119,901.60-73,886.40

Finding the Fourth Proportional to 80,107.20, 119,901.60 and 73,886.40

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Solution

The fourth proportional to 80,107.20, 119,901.60 and 73,886.40 is: 110,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,107.20 : 119,901.60 = 73,886.40 : x
  2. Step 2: Convert to fraction form
    80,107.20/119,901.60 = 73,886.40/x
  3. Step 3: Cross multiply
    80,107.20x = 119,901.60 × 73,886.40
  4. Step 4: Simplify right side
    80,107.20x = 8,859,097,578.24
  5. Step 5: Solve for x
    x = 8,859,097,578.24/80,107.20
  6. Step 6: Final answer
    x = 110,590.53

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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.