Home / 170,246.40-255,369.60-51,917.55

Finding the Fourth Proportional to 170,246.40, 255,369.60 and 51,917.55

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Solution

The fourth proportional to 170,246.40, 255,369.60 and 51,917.55 is: 77,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,246.40 : 255,369.60 = 51,917.55 : x
  2. Step 2: Convert to fraction form
    170,246.40/255,369.60 = 51,917.55/x
  3. Step 3: Cross multiply
    170,246.40x = 255,369.60 × 51,917.55
  4. Step 4: Simplify right side
    170,246.40x = 13,258,163,976.48
  5. Step 5: Solve for x
    x = 13,258,163,976.48/170,246.40
  6. Step 6: Final answer
    x = 77,876.33

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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.