Home / 159,724.10-239,382.62-84,880.10

Finding the Fourth Proportional to 159,724.10, 239,382.62 and 84,880.10

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Solution

The fourth proportional to 159,724.10, 239,382.62 and 84,880.10 is: 127,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,724.10 : 239,382.62 = 84,880.10 : x
  2. Step 2: Convert to fraction form
    159,724.10/239,382.62 = 84,880.10/x
  3. Step 3: Cross multiply
    159,724.10x = 239,382.62 × 84,880.10
  4. Step 4: Simplify right side
    159,724.10x = 20,318,819,102.55
  5. Step 5: Solve for x
    x = 20,318,819,102.55/159,724.10
  6. Step 6: Final answer
    x = 127,211.98

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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.