Home / 87,941.95-131,880.59-30,222.80

Finding the Fourth Proportional to 87,941.95, 131,880.59 and 30,222.80

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Solution

The fourth proportional to 87,941.95, 131,880.59 and 30,222.80 is: 45,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.95 : 131,880.59 = 30,222.80 : x
  2. Step 2: Convert to fraction form
    87,941.95/131,880.59 = 30,222.80/x
  3. Step 3: Cross multiply
    87,941.95x = 131,880.59 × 30,222.80
  4. Step 4: Simplify right side
    87,941.95x = 3,985,801,291.32
  5. Step 5: Solve for x
    x = 3,985,801,291.32/87,941.95
  6. Step 6: Final answer
    x = 45,323.09

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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.