Home / 113,149.12-169,742-38,273.73

Finding the Fourth Proportional to 113,149.12, 169,742 and 38,273.73

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Solution

The fourth proportional to 113,149.12, 169,742 and 38,273.73 is: 57,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,149.12 : 169,742 = 38,273.73 : x
  2. Step 2: Convert to fraction form
    113,149.12/169,742 = 38,273.73/x
  3. Step 3: Cross multiply
    113,149.12x = 169,742 × 38,273.73
  4. Step 4: Simplify right side
    113,149.12x = 6,496,659,477.66
  5. Step 5: Solve for x
    x = 6,496,659,477.66/113,149.12
  6. Step 6: Final answer
    x = 57,416.79

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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.