Home / 170,472.19-255,667.21-52,144.55

Finding the Fourth Proportional to 170,472.19, 255,667.21 and 52,144.55

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Solution

The fourth proportional to 170,472.19, 255,667.21 and 52,144.55 is: 78,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,472.19 : 255,667.21 = 52,144.55 : x
  2. Step 2: Convert to fraction form
    170,472.19/255,667.21 = 52,144.55/x
  3. Step 3: Cross multiply
    170,472.19x = 255,667.21 × 52,144.55
  4. Step 4: Simplify right side
    170,472.19x = 13,331,651,615.21
  5. Step 5: Solve for x
    x = 13,331,651,615.21/170,472.19
  6. Step 6: Final answer
    x = 78,204.26

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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.