Home / 143,229.79-214,769.08-48,427.39

Finding the Fourth Proportional to 143,229.79, 214,769.08 and 48,427.39

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Solution

The fourth proportional to 143,229.79, 214,769.08 and 48,427.39 is: 72,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,229.79 : 214,769.08 = 48,427.39 : x
  2. Step 2: Convert to fraction form
    143,229.79/214,769.08 = 48,427.39/x
  3. Step 3: Cross multiply
    143,229.79x = 214,769.08 × 48,427.39
  4. Step 4: Simplify right side
    143,229.79x = 10,400,705,997.10
  5. Step 5: Solve for x
    x = 10,400,705,997.10/143,229.79
  6. Step 6: Final answer
    x = 72,615.52

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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.