Home / 143,526.25-215,320.16-43,694.56

Finding the Fourth Proportional to 143,526.25, 215,320.16 and 43,694.56

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Solution

The fourth proportional to 143,526.25, 215,320.16 and 43,694.56 is: 65,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,526.25 : 215,320.16 = 43,694.56 : x
  2. Step 2: Convert to fraction form
    143,526.25/215,320.16 = 43,694.56/x
  3. Step 3: Cross multiply
    143,526.25x = 215,320.16 × 43,694.56
  4. Step 4: Simplify right side
    143,526.25x = 9,408,319,650.33
  5. Step 5: Solve for x
    x = 9,408,319,650.33/143,526.25
  6. Step 6: Final answer
    x = 65,551.21

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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.