Home / 107,846.31-161,770.50-28,960.55

Finding the Fourth Proportional to 107,846.31, 161,770.50 and 28,960.55

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Solution

The fourth proportional to 107,846.31, 161,770.50 and 28,960.55 is: 43,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,846.31 : 161,770.50 = 28,960.55 : x
  2. Step 2: Convert to fraction form
    107,846.31/161,770.50 = 28,960.55/x
  3. Step 3: Cross multiply
    107,846.31x = 161,770.50 × 28,960.55
  4. Step 4: Simplify right side
    107,846.31x = 4,684,961,844.92
  5. Step 5: Solve for x
    x = 4,684,961,844.92/107,846.31
  6. Step 6: Final answer
    x = 43,441.10

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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.