Home / 131,822.82-197,767.94-38,328.57

Finding the Fourth Proportional to 131,822.82, 197,767.94 and 38,328.57

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Solution

The fourth proportional to 131,822.82, 197,767.94 and 38,328.57 is: 57,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,822.82 : 197,767.94 = 38,328.57 : x
  2. Step 2: Convert to fraction form
    131,822.82/197,767.94 = 38,328.57/x
  3. Step 3: Cross multiply
    131,822.82x = 197,767.94 × 38,328.57
  4. Step 4: Simplify right side
    131,822.82x = 7,580,162,140.40
  5. Step 5: Solve for x
    x = 7,580,162,140.40/131,822.82
  6. Step 6: Final answer
    x = 57,502.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.