Home / 155,074.72-232,573.20-113,445.04

Finding the Fourth Proportional to 155,074.72, 232,573.20 and 113,445.04

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Solution

The fourth proportional to 155,074.72, 232,573.20 and 113,445.04 is: 170,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,074.72 : 232,573.20 = 113,445.04 : x
  2. Step 2: Convert to fraction form
    155,074.72/232,573.20 = 113,445.04/x
  3. Step 3: Cross multiply
    155,074.72x = 232,573.20 × 113,445.04
  4. Step 4: Simplify right side
    155,074.72x = 26,384,275,976.93
  5. Step 5: Solve for x
    x = 26,384,275,976.93/155,074.72
  6. Step 6: Final answer
    x = 170,139.12

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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.