Home / 170,211.98-255,199.73-75,390.50

Finding the Fourth Proportional to 170,211.98, 255,199.73 and 75,390.50

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Solution

The fourth proportional to 170,211.98, 255,199.73 and 75,390.50 is: 113,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,211.98 : 255,199.73 = 75,390.50 : x
  2. Step 2: Convert to fraction form
    170,211.98/255,199.73 = 75,390.50/x
  3. Step 3: Cross multiply
    170,211.98x = 255,199.73 × 75,390.50
  4. Step 4: Simplify right side
    170,211.98x = 19,239,635,505.61
  5. Step 5: Solve for x
    x = 19,239,635,505.61/170,211.98
  6. Step 6: Final answer
    x = 113,033.38

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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.