Home / 87,954.71-131,904.72-28,777.23

Finding the Fourth Proportional to 87,954.71, 131,904.72 and 28,777.23

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Solution

The fourth proportional to 87,954.71, 131,904.72 and 28,777.23 is: 43,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954.71 : 131,904.72 = 28,777.23 : x
  2. Step 2: Convert to fraction form
    87,954.71/131,904.72 = 28,777.23/x
  3. Step 3: Cross multiply
    87,954.71x = 131,904.72 × 28,777.23
  4. Step 4: Simplify right side
    87,954.71x = 3,795,852,465.53
  5. Step 5: Solve for x
    x = 3,795,852,465.53/87,954.71
  6. Step 6: Final answer
    x = 43,156.90

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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.