Home / 143,223.74-197,654.37-97,996.58

Finding the Fourth Proportional to 143,223.74, 197,654.37 and 97,996.58

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Solution

The fourth proportional to 143,223.74, 197,654.37 and 97,996.58 is: 135,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,223.74 : 197,654.37 = 97,996.58 : x
  2. Step 2: Convert to fraction form
    143,223.74/197,654.37 = 97,996.58/x
  3. Step 3: Cross multiply
    143,223.74x = 197,654.37 × 97,996.58
  4. Step 4: Simplify right side
    143,223.74x = 19,369,452,282.05
  5. Step 5: Solve for x
    x = 19,369,452,282.05/143,223.74
  6. Step 6: Final answer
    x = 135,239.12

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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.