Home / 170,478.03-255,707.83-52,149.38

Finding the Fourth Proportional to 170,478.03, 255,707.83 and 52,149.38

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Solution

The fourth proportional to 170,478.03, 255,707.83 and 52,149.38 is: 78,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,478.03 : 255,707.83 = 52,149.38 : x
  2. Step 2: Convert to fraction form
    170,478.03/255,707.83 = 52,149.38/x
  3. Step 3: Cross multiply
    170,478.03x = 255,707.83 × 52,149.38
  4. Step 4: Simplify right side
    170,478.03x = 13,335,004,534.90
  5. Step 5: Solve for x
    x = 13,335,004,534.90/170,478.03
  6. Step 6: Final answer
    x = 78,221.25

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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.