Home / 170,223.10-255,371.10-51,906.40

Finding the Fourth Proportional to 170,223.10, 255,371.10 and 51,906.40

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Solution

The fourth proportional to 170,223.10, 255,371.10 and 51,906.40 is: 77,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,223.10 : 255,371.10 = 51,906.40 : x
  2. Step 2: Convert to fraction form
    170,223.10/255,371.10 = 51,906.40/x
  3. Step 3: Cross multiply
    170,223.10x = 255,371.10 × 51,906.40
  4. Step 4: Simplify right side
    170,223.10x = 13,255,394,465.04
  5. Step 5: Solve for x
    x = 13,255,394,465.04/170,223.10
  6. Step 6: Final answer
    x = 77,870.71

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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.