Home / 197,083.38-294,545.07-143,887.40

Finding the Fourth Proportional to 197,083.38, 294,545.07 and 143,887.40

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Solution

The fourth proportional to 197,083.38, 294,545.07 and 143,887.40 is: 215,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,083.38 : 294,545.07 = 143,887.40 : x
  2. Step 2: Convert to fraction form
    197,083.38/294,545.07 = 143,887.40/x
  3. Step 3: Cross multiply
    197,083.38x = 294,545.07 × 143,887.40
  4. Step 4: Simplify right side
    197,083.38x = 42,381,325,008.75
  5. Step 5: Solve for x
    x = 42,381,325,008.75/197,083.38
  6. Step 6: Final answer
    x = 215,042.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.