Home / 102,938.30-154,414.65-40,600.70

Finding the Fourth Proportional to 102,938.30, 154,414.65 and 40,600.70

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Solution

The fourth proportional to 102,938.30, 154,414.65 and 40,600.70 is: 60,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,938.30 : 154,414.65 = 40,600.70 : x
  2. Step 2: Convert to fraction form
    102,938.30/154,414.65 = 40,600.70/x
  3. Step 3: Cross multiply
    102,938.30x = 154,414.65 × 40,600.70
  4. Step 4: Simplify right side
    102,938.30x = 6,269,342,880.26
  5. Step 5: Solve for x
    x = 6,269,342,880.26/102,938.30
  6. Step 6: Final answer
    x = 60,903.89

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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.