Home / 102,792.05-154,246.40-40,506.29

Finding the Fourth Proportional to 102,792.05, 154,246.40 and 40,506.29

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Solution

The fourth proportional to 102,792.05, 154,246.40 and 40,506.29 is: 60,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,792.05 : 154,246.40 = 40,506.29 : x
  2. Step 2: Convert to fraction form
    102,792.05/154,246.40 = 40,506.29/x
  3. Step 3: Cross multiply
    102,792.05x = 154,246.40 × 40,506.29
  4. Step 4: Simplify right side
    102,792.05x = 6,247,948,436.09
  5. Step 5: Solve for x
    x = 6,247,948,436.09/102,792.05
  6. Step 6: Final answer
    x = 60,782.41

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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.