Home / 113,194.86-169,860.33-42,169.74

Finding the Fourth Proportional to 113,194.86, 169,860.33 and 42,169.74

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Solution

The fourth proportional to 113,194.86, 169,860.33 and 42,169.74 is: 63,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,194.86 : 169,860.33 = 42,169.74 : x
  2. Step 2: Convert to fraction form
    113,194.86/169,860.33 = 42,169.74/x
  3. Step 3: Cross multiply
    113,194.86x = 169,860.33 × 42,169.74
  4. Step 4: Simplify right side
    113,194.86x = 7,162,965,952.41
  5. Step 5: Solve for x
    x = 7,162,965,952.41/113,194.86
  6. Step 6: Final answer
    x = 63,279.96

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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.