Home / 113,237.76-169,860.48-30,131.84

Finding the Fourth Proportional to 113,237.76, 169,860.48 and 30,131.84

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Solution

The fourth proportional to 113,237.76, 169,860.48 and 30,131.84 is: 45,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,237.76 : 169,860.48 = 30,131.84 : x
  2. Step 2: Convert to fraction form
    113,237.76/169,860.48 = 30,131.84/x
  3. Step 3: Cross multiply
    113,237.76x = 169,860.48 × 30,131.84
  4. Step 4: Simplify right side
    113,237.76x = 5,118,208,805.68
  5. Step 5: Solve for x
    x = 5,118,208,805.68/113,237.76
  6. Step 6: Final answer
    x = 45,198.78

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1.5x scale

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.