Home / 170,470.55-255,716.08-52,142.92

Finding the Fourth Proportional to 170,470.55, 255,716.08 and 52,142.92

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Solution

The fourth proportional to 170,470.55, 255,716.08 and 52,142.92 is: 78,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,470.55 : 255,716.08 = 52,142.92 : x
  2. Step 2: Convert to fraction form
    170,470.55/255,716.08 = 52,142.92/x
  3. Step 3: Cross multiply
    170,470.55x = 255,716.08 × 52,142.92
  4. Step 4: Simplify right side
    170,470.55x = 13,333,782,332.51
  5. Step 5: Solve for x
    x = 13,333,782,332.51/170,470.55
  6. Step 6: Final answer
    x = 78,217.51

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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.