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Finding the Fourth Proportional to 102,886.10, 154,329.15 and 60,722.90

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Solution

The fourth proportional to 102,886.10, 154,329.15 and 60,722.90 is: 91,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,886.10 : 154,329.15 = 60,722.90 : x
  2. Step 2: Convert to fraction form
    102,886.10/154,329.15 = 60,722.90/x
  3. Step 3: Cross multiply
    102,886.10x = 154,329.15 × 60,722.90
  4. Step 4: Simplify right side
    102,886.10x = 9,371,313,542.54
  5. Step 5: Solve for x
    x = 9,371,313,542.54/102,886.10
  6. Step 6: Final answer
    x = 91,084.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.