Home / 115,427.70-173,119.68-40,530.24

Finding the Fourth Proportional to 115,427.70, 173,119.68 and 40,530.24

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Solution

The fourth proportional to 115,427.70, 173,119.68 and 40,530.24 is: 60,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.70 : 173,119.68 = 40,530.24 : x
  2. Step 2: Convert to fraction form
    115,427.70/173,119.68 = 40,530.24/x
  3. Step 3: Cross multiply
    115,427.70x = 173,119.68 × 40,530.24
  4. Step 4: Simplify right side
    115,427.70x = 7,016,582,179.12
  5. Step 5: Solve for x
    x = 7,016,582,179.12/115,427.70
  6. Step 6: Final answer
    x = 60,787.68

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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.