Home / 143,819.42-198,314.93-97,908.75

Finding the Fourth Proportional to 143,819.42, 198,314.93 and 97,908.75

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Solution

The fourth proportional to 143,819.42, 198,314.93 and 97,908.75 is: 135,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,819.42 : 198,314.93 = 97,908.75 : x
  2. Step 2: Convert to fraction form
    143,819.42/198,314.93 = 97,908.75/x
  3. Step 3: Cross multiply
    143,819.42x = 198,314.93 × 97,908.75
  4. Step 4: Simplify right side
    143,819.42x = 19,416,767,147.41
  5. Step 5: Solve for x
    x = 19,416,767,147.41/143,819.42
  6. Step 6: Final answer
    x = 135,007.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.