Home / 136,422.27-188,237.75-75,991.41

Finding the Fourth Proportional to 136,422.27, 188,237.75 and 75,991.41

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Solution

The fourth proportional to 136,422.27, 188,237.75 and 75,991.41 is: 104,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422.27 : 188,237.75 = 75,991.41 : x
  2. Step 2: Convert to fraction form
    136,422.27/188,237.75 = 75,991.41/x
  3. Step 3: Cross multiply
    136,422.27x = 188,237.75 × 75,991.41
  4. Step 4: Simplify right side
    136,422.27x = 14,304,451,657.77
  5. Step 5: Solve for x
    x = 14,304,451,657.77/136,422.27
  6. Step 6: Final answer
    x = 104,854.23

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1.5x scale

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.