Home / 155,101.92-232,544.24-79,223.55

Finding the Fourth Proportional to 155,101.92, 232,544.24 and 79,223.55

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Solution

The fourth proportional to 155,101.92, 232,544.24 and 79,223.55 is: 118,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,101.92 : 232,544.24 = 79,223.55 : x
  2. Step 2: Convert to fraction form
    155,101.92/232,544.24 = 79,223.55/x
  3. Step 3: Cross multiply
    155,101.92x = 232,544.24 × 79,223.55
  4. Step 4: Simplify right side
    155,101.92x = 18,422,979,828.73
  5. Step 5: Solve for x
    x = 18,422,979,828.73/155,101.92
  6. Step 6: Final answer
    x = 118,779.83

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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.