Home / 240,659.11-332,121.80-138,701.17

Finding the Fourth Proportional to 240,659.11, 332,121.80 and 138,701.17

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Solution

The fourth proportional to 240,659.11, 332,121.80 and 138,701.17 is: 191,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,659.11 : 332,121.80 = 138,701.17 : x
  2. Step 2: Convert to fraction form
    240,659.11/332,121.80 = 138,701.17/x
  3. Step 3: Cross multiply
    240,659.11x = 332,121.80 × 138,701.17
  4. Step 4: Simplify right side
    240,659.11x = 46,065,683,004.41
  5. Step 5: Solve for x
    x = 46,065,683,004.41/240,659.11
  6. Step 6: Final answer
    x = 191,414.66

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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.