Home / 126,993.87-190,494.72-38,248.02

Finding the Fourth Proportional to 126,993.87, 190,494.72 and 38,248.02

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Solution

The fourth proportional to 126,993.87, 190,494.72 and 38,248.02 is: 57,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,993.87 : 190,494.72 = 38,248.02 : x
  2. Step 2: Convert to fraction form
    126,993.87/190,494.72 = 38,248.02/x
  3. Step 3: Cross multiply
    126,993.87x = 190,494.72 × 38,248.02
  4. Step 4: Simplify right side
    126,993.87x = 7,286,045,860.45
  5. Step 5: Solve for x
    x = 7,286,045,860.45/126,993.87
  6. Step 6: Final answer
    x = 57,373.21

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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.