Home / 143,938.82-215,908.23-140,002.22

Finding the Fourth Proportional to 143,938.82, 215,908.23 and 140,002.22

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Solution

The fourth proportional to 143,938.82, 215,908.23 and 140,002.22 is: 210,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,938.82 : 215,908.23 = 140,002.22 : x
  2. Step 2: Convert to fraction form
    143,938.82/215,908.23 = 140,002.22/x
  3. Step 3: Cross multiply
    143,938.82x = 215,908.23 × 140,002.22
  4. Step 4: Simplify right side
    143,938.82x = 30,227,632,581.05
  5. Step 5: Solve for x
    x = 30,227,632,581.05/143,938.82
  6. Step 6: Final answer
    x = 210,003.33

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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.