Home / 170,477.36-255,744.64-52,120.97

Finding the Fourth Proportional to 170,477.36, 255,744.64 and 52,120.97

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Solution

The fourth proportional to 170,477.36, 255,744.64 and 52,120.97 is: 78,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,477.36 : 255,744.64 = 52,120.97 : x
  2. Step 2: Convert to fraction form
    170,477.36/255,744.64 = 52,120.97/x
  3. Step 3: Cross multiply
    170,477.36x = 255,744.64 × 52,120.97
  4. Step 4: Simplify right side
    170,477.36x = 13,329,658,454.57
  5. Step 5: Solve for x
    x = 13,329,658,454.57/170,477.36
  6. Step 6: Final answer
    x = 78,190.20

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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.