Home / 143,223.62-197,654.20-97,996.46

Finding the Fourth Proportional to 143,223.62, 197,654.20 and 97,996.46

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Solution

The fourth proportional to 143,223.62, 197,654.20 and 97,996.46 is: 135,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,223.62 : 197,654.20 = 97,996.46 : x
  2. Step 2: Convert to fraction form
    143,223.62/197,654.20 = 97,996.46/x
  3. Step 3: Cross multiply
    143,223.62x = 197,654.20 × 97,996.46
  4. Step 4: Simplify right side
    143,223.62x = 19,369,410,670.87
  5. Step 5: Solve for x
    x = 19,369,410,670.87/143,223.62
  6. Step 6: Final answer
    x = 135,238.95

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1.5x scale

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.