Home / 140,631.43-210,963.51-49,418.80

Finding the Fourth Proportional to 140,631.43, 210,963.51 and 49,418.80

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Solution

The fourth proportional to 140,631.43, 210,963.51 and 49,418.80 is: 74,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,631.43 : 210,963.51 = 49,418.80 : x
  2. Step 2: Convert to fraction form
    140,631.43/210,963.51 = 49,418.80/x
  3. Step 3: Cross multiply
    140,631.43x = 210,963.51 × 49,418.80
  4. Step 4: Simplify right side
    140,631.43x = 10,425,563,507.99
  5. Step 5: Solve for x
    x = 10,425,563,507.99/140,631.43
  6. Step 6: Final answer
    x = 74,133.95

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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.