Home / 143,230.72-197,749.50-97,984.12

Finding the Fourth Proportional to 143,230.72, 197,749.50 and 97,984.12

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Solution

The fourth proportional to 143,230.72, 197,749.50 and 97,984.12 is: 135,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,230.72 : 197,749.50 = 97,984.12 : x
  2. Step 2: Convert to fraction form
    143,230.72/197,749.50 = 97,984.12/x
  3. Step 3: Cross multiply
    143,230.72x = 197,749.50 × 97,984.12
  4. Step 4: Simplify right side
    143,230.72x = 19,376,310,737.94
  5. Step 5: Solve for x
    x = 19,376,310,737.94/143,230.72
  6. Step 6: Final answer
    x = 135,280.41

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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.