Home / 165,780.28-248,645.04-53,445.16

Finding the Fourth Proportional to 165,780.28, 248,645.04 and 53,445.16

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Solution

The fourth proportional to 165,780.28, 248,645.04 and 53,445.16 is: 80,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,780.28 : 248,645.04 = 53,445.16 : x
  2. Step 2: Convert to fraction form
    165,780.28/248,645.04 = 53,445.16/x
  3. Step 3: Cross multiply
    165,780.28x = 248,645.04 × 53,445.16
  4. Step 4: Simplify right side
    165,780.28x = 13,288,873,946.01
  5. Step 5: Solve for x
    x = 13,288,873,946.01/165,780.28
  6. Step 6: Final answer
    x = 80,159.56

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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.