Home / 170,469.40-255,723.30-52,139.80

Finding the Fourth Proportional to 170,469.40, 255,723.30 and 52,139.80

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Solution

The fourth proportional to 170,469.40, 255,723.30 and 52,139.80 is: 78,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,469.40 : 255,723.30 = 52,139.80 : x
  2. Step 2: Convert to fraction form
    170,469.40/255,723.30 = 52,139.80/x
  3. Step 3: Cross multiply
    170,469.40x = 255,723.30 × 52,139.80
  4. Step 4: Simplify right side
    170,469.40x = 13,333,361,717.34
  5. Step 5: Solve for x
    x = 13,333,361,717.34/170,469.40
  6. Step 6: Final answer
    x = 78,215.57

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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.