Home / 143,913.08-215,850.16-38,738.36

Finding the Fourth Proportional to 143,913.08, 215,850.16 and 38,738.36

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Solution

The fourth proportional to 143,913.08, 215,850.16 and 38,738.36 is: 58,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,913.08 : 215,850.16 = 38,738.36 : x
  2. Step 2: Convert to fraction form
    143,913.08/215,850.16 = 38,738.36/x
  3. Step 3: Cross multiply
    143,913.08x = 215,850.16 × 38,738.36
  4. Step 4: Simplify right side
    143,913.08x = 8,361,681,204.14
  5. Step 5: Solve for x
    x = 8,361,681,204.14/143,913.08
  6. Step 6: Final answer
    x = 58,102.30

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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.