Home / 143,176.55-214,748.42-38,003.72

Finding the Fourth Proportional to 143,176.55, 214,748.42 and 38,003.72

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Solution

The fourth proportional to 143,176.55, 214,748.42 and 38,003.72 is: 57,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,176.55 : 214,748.42 = 38,003.72 : x
  2. Step 2: Convert to fraction form
    143,176.55/214,748.42 = 38,003.72/x
  3. Step 3: Cross multiply
    143,176.55x = 214,748.42 × 38,003.72
  4. Step 4: Simplify right side
    143,176.55x = 8,161,237,560.36
  5. Step 5: Solve for x
    x = 8,161,237,560.36/143,176.55
  6. Step 6: Final answer
    x = 57,001.22

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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.