Home / 99,370.60-148,940.70-40,167.40

Finding the Fourth Proportional to 99,370.60, 148,940.70 and 40,167.40

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Solution

The fourth proportional to 99,370.60, 148,940.70 and 40,167.40 is: 60,204.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,370.60 : 148,940.70 = 40,167.40 : x
  2. Step 2: Convert to fraction form
    99,370.60/148,940.70 = 40,167.40/x
  3. Step 3: Cross multiply
    99,370.60x = 148,940.70 × 40,167.40
  4. Step 4: Simplify right side
    99,370.60x = 5,982,560,673.18
  5. Step 5: Solve for x
    x = 5,982,560,673.18/99,370.60
  6. Step 6: Final answer
    x = 60,204.53

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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.