Home / 118,893.12-177,276.72-115,627.20

Finding the Fourth Proportional to 118,893.12, 177,276.72 and 115,627.20

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Solution

The fourth proportional to 118,893.12, 177,276.72 and 115,627.20 is: 172,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,893.12 : 177,276.72 = 115,627.20 : x
  2. Step 2: Convert to fraction form
    118,893.12/177,276.72 = 115,627.20/x
  3. Step 3: Cross multiply
    118,893.12x = 177,276.72 × 115,627.20
  4. Step 4: Simplify right side
    118,893.12x = 20,498,010,758.78
  5. Step 5: Solve for x
    x = 20,498,010,758.78/118,893.12
  6. Step 6: Final answer
    x = 172,407.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.