Home / 143,023.56-214,570.05-43,177.79

Finding the Fourth Proportional to 143,023.56, 214,570.05 and 43,177.79

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Solution

The fourth proportional to 143,023.56, 214,570.05 and 43,177.79 is: 64,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,023.56 : 214,570.05 = 43,177.79 : x
  2. Step 2: Convert to fraction form
    143,023.56/214,570.05 = 43,177.79/x
  3. Step 3: Cross multiply
    143,023.56x = 214,570.05 × 43,177.79
  4. Step 4: Simplify right side
    143,023.56x = 9,264,660,933.70
  5. Step 5: Solve for x
    x = 9,264,660,933.70/143,023.56
  6. Step 6: Final answer
    x = 64,777.17

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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.