Home / 143,637.03-215,553.96-50,142.78

Finding the Fourth Proportional to 143,637.03, 215,553.96 and 50,142.78

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Solution

The fourth proportional to 143,637.03, 215,553.96 and 50,142.78 is: 75,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,637.03 : 215,553.96 = 50,142.78 : x
  2. Step 2: Convert to fraction form
    143,637.03/215,553.96 = 50,142.78/x
  3. Step 3: Cross multiply
    143,637.03x = 215,553.96 × 50,142.78
  4. Step 4: Simplify right side
    143,637.03x = 10,808,474,794.41
  5. Step 5: Solve for x
    x = 10,808,474,794.41/143,637.03
  6. Step 6: Final answer
    x = 75,248.53

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1.5x scale

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.