Home / 90,257.74-135,290.61-34,073.98

Finding the Fourth Proportional to 90,257.74, 135,290.61 and 34,073.98

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Solution

The fourth proportional to 90,257.74, 135,290.61 and 34,073.98 is: 51,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,257.74 : 135,290.61 = 34,073.98 : x
  2. Step 2: Convert to fraction form
    90,257.74/135,290.61 = 34,073.98/x
  3. Step 3: Cross multiply
    90,257.74x = 135,290.61 × 34,073.98
  4. Step 4: Simplify right side
    90,257.74x = 4,609,889,539.33
  5. Step 5: Solve for x
    x = 4,609,889,539.33/90,257.74
  6. Step 6: Final answer
    x = 51,074.73

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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.