Home / 132,913.40-199,389.90-47,517.80

Finding the Fourth Proportional to 132,913.40, 199,389.90 and 47,517.80

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Solution

The fourth proportional to 132,913.40, 199,389.90 and 47,517.80 is: 71,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,913.40 : 199,389.90 = 47,517.80 : x
  2. Step 2: Convert to fraction form
    132,913.40/199,389.90 = 47,517.80/x
  3. Step 3: Cross multiply
    132,913.40x = 199,389.90 × 47,517.80
  4. Step 4: Simplify right side
    132,913.40x = 9,474,569,390.22
  5. Step 5: Solve for x
    x = 9,474,569,390.22/132,913.40
  6. Step 6: Final answer
    x = 71,283.78

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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.