Home / 170,610.72-255,953.52-52,290.96

Finding the Fourth Proportional to 170,610.72, 255,953.52 and 52,290.96

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Solution

The fourth proportional to 170,610.72, 255,953.52 and 52,290.96 is: 78,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,610.72 : 255,953.52 = 52,290.96 : x
  2. Step 2: Convert to fraction form
    170,610.72/255,953.52 = 52,290.96/x
  3. Step 3: Cross multiply
    170,610.72x = 255,953.52 × 52,290.96
  4. Step 4: Simplify right side
    170,610.72x = 13,384,055,276.18
  5. Step 5: Solve for x
    x = 13,384,055,276.18/170,610.72
  6. Step 6: Final answer
    x = 78,447.92

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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.