Home / 193,108.84-266,501.16-108,231.38

Finding the Fourth Proportional to 193,108.84, 266,501.16 and 108,231.38

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Solution

The fourth proportional to 193,108.84, 266,501.16 and 108,231.38 is: 149,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,108.84 : 266,501.16 = 108,231.38 : x
  2. Step 2: Convert to fraction form
    193,108.84/266,501.16 = 108,231.38/x
  3. Step 3: Cross multiply
    193,108.84x = 266,501.16 × 108,231.38
  4. Step 4: Simplify right side
    193,108.84x = 28,843,788,318.40
  5. Step 5: Solve for x
    x = 28,843,788,318.40/193,108.84
  6. Step 6: Final answer
    x = 149,365.45

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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.