Home / 143,260.04-214,889.76-38,079

Finding the Fourth Proportional to 143,260.04, 214,889.76 and 38,079

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Solution

The fourth proportional to 143,260.04, 214,889.76 and 38,079 is: 57,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,260.04 : 214,889.76 = 38,079 : x
  2. Step 2: Convert to fraction form
    143,260.04/214,889.76 = 38,079/x
  3. Step 3: Cross multiply
    143,260.04x = 214,889.76 × 38,079
  4. Step 4: Simplify right side
    143,260.04x = 8,182,787,171.04
  5. Step 5: Solve for x
    x = 8,182,787,171.04/143,260.04
  6. Step 6: Final answer
    x = 57,118.42

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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.