Home / 151,974.41-209,698.98-91,530.59

Finding the Fourth Proportional to 151,974.41, 209,698.98 and 91,530.59

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Solution

The fourth proportional to 151,974.41, 209,698.98 and 91,530.59 is: 126,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,974.41 : 209,698.98 = 91,530.59 : x
  2. Step 2: Convert to fraction form
    151,974.41/209,698.98 = 91,530.59/x
  3. Step 3: Cross multiply
    151,974.41x = 209,698.98 × 91,530.59
  4. Step 4: Simplify right side
    151,974.41x = 19,193,871,361.80
  5. Step 5: Solve for x
    x = 19,193,871,361.80/151,974.41
  6. Step 6: Final answer
    x = 126,296.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.