Home / 143,961.92-216,015.80-97,116.38

Finding the Fourth Proportional to 143,961.92, 216,015.80 and 97,116.38

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Solution

The fourth proportional to 143,961.92, 216,015.80 and 97,116.38 is: 145,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,961.92 : 216,015.80 = 97,116.38 : x
  2. Step 2: Convert to fraction form
    143,961.92/216,015.80 = 97,116.38/x
  3. Step 3: Cross multiply
    143,961.92x = 216,015.80 × 97,116.38
  4. Step 4: Simplify right side
    143,961.92x = 20,978,670,953.14
  5. Step 5: Solve for x
    x = 20,978,670,953.14/143,961.92
  6. Step 6: Final answer
    x = 145,723.76

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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.