Home / 105,207.93-157,850.78-38,691.54

Finding the Fourth Proportional to 105,207.93, 157,850.78 and 38,691.54

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Solution

The fourth proportional to 105,207.93, 157,850.78 and 38,691.54 is: 58,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,207.93 : 157,850.78 = 38,691.54 : x
  2. Step 2: Convert to fraction form
    105,207.93/157,850.78 = 38,691.54/x
  3. Step 3: Cross multiply
    105,207.93x = 157,850.78 × 38,691.54
  4. Step 4: Simplify right side
    105,207.93x = 6,107,489,574.94
  5. Step 5: Solve for x
    x = 6,107,489,574.94/105,207.93
  6. Step 6: Final answer
    x = 58,051.61

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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.