Home / 105,677.38-158,536.78-39,118.08

Finding the Fourth Proportional to 105,677.38, 158,536.78 and 39,118.08

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Solution

The fourth proportional to 105,677.38, 158,536.78 and 39,118.08 is: 58,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,677.38 : 158,536.78 = 39,118.08 : x
  2. Step 2: Convert to fraction form
    105,677.38/158,536.78 = 39,118.08/x
  3. Step 3: Cross multiply
    105,677.38x = 158,536.78 × 39,118.08
  4. Step 4: Simplify right side
    105,677.38x = 6,201,654,442.98
  5. Step 5: Solve for x
    x = 6,201,654,442.98/105,677.38
  6. Step 6: Final answer
    x = 58,684.79

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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.