Home / 165,660.72-248,414.94-53,320.20

Finding the Fourth Proportional to 165,660.72, 248,414.94 and 53,320.20

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Solution

The fourth proportional to 165,660.72, 248,414.94 and 53,320.20 is: 79,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,660.72 : 248,414.94 = 53,320.20 : x
  2. Step 2: Convert to fraction form
    165,660.72/248,414.94 = 53,320.20/x
  3. Step 3: Cross multiply
    165,660.72x = 248,414.94 × 53,320.20
  4. Step 4: Simplify right side
    165,660.72x = 13,245,534,283.79
  5. Step 5: Solve for x
    x = 13,245,534,283.79/165,660.72
  6. Step 6: Final answer
    x = 79,955.79

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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.