Home / 155,819.27-233,645.74-80,863.94

Finding the Fourth Proportional to 155,819.27, 233,645.74 and 80,863.94

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Solution

The fourth proportional to 155,819.27, 233,645.74 and 80,863.94 is: 121,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,819.27 : 233,645.74 = 80,863.94 : x
  2. Step 2: Convert to fraction form
    155,819.27/233,645.74 = 80,863.94/x
  3. Step 3: Cross multiply
    155,819.27x = 233,645.74 × 80,863.94
  4. Step 4: Simplify right side
    155,819.27x = 18,893,515,482.57
  5. Step 5: Solve for x
    x = 18,893,515,482.57/155,819.27
  6. Step 6: Final answer
    x = 121,252.75

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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.