Home / 165,600.60-248,565.70-76,874.20

Finding the Fourth Proportional to 165,600.60, 248,565.70 and 76,874.20

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Solution

The fourth proportional to 165,600.60, 248,565.70 and 76,874.20 is: 115,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,600.60 : 248,565.70 = 76,874.20 : x
  2. Step 2: Convert to fraction form
    165,600.60/248,565.70 = 76,874.20/x
  3. Step 3: Cross multiply
    165,600.60x = 248,565.70 × 76,874.20
  4. Step 4: Simplify right side
    165,600.60x = 19,108,289,334.94
  5. Step 5: Solve for x
    x = 19,108,289,334.94/165,600.60
  6. Step 6: Final answer
    x = 115,387.80

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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.