Home / 105,949.17-158,922.78-42,724.52

Finding the Fourth Proportional to 105,949.17, 158,922.78 and 42,724.52

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Solution

The fourth proportional to 105,949.17, 158,922.78 and 42,724.52 is: 64,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,949.17 : 158,922.78 = 42,724.52 : x
  2. Step 2: Convert to fraction form
    105,949.17/158,922.78 = 42,724.52/x
  3. Step 3: Cross multiply
    105,949.17x = 158,922.78 × 42,724.52
  4. Step 4: Simplify right side
    105,949.17x = 6,789,899,492.57
  5. Step 5: Solve for x
    x = 6,789,899,492.57/105,949.17
  6. Step 6: Final answer
    x = 64,086.39

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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.