Home / 103,374.14-154,967.55-71,799.11

Finding the Fourth Proportional to 103,374.14, 154,967.55 and 71,799.11

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Solution

The fourth proportional to 103,374.14, 154,967.55 and 71,799.11 is: 107,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,374.14 : 154,967.55 = 71,799.11 : x
  2. Step 2: Convert to fraction form
    103,374.14/154,967.55 = 71,799.11/x
  3. Step 3: Cross multiply
    103,374.14x = 154,967.55 × 71,799.11
  4. Step 4: Simplify right side
    103,374.14x = 11,126,531,394.04
  5. Step 5: Solve for x
    x = 11,126,531,394.04/103,374.14
  6. Step 6: Final answer
    x = 107,633.61

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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.