Home / 126,085.81-173,996.16-68,725.66

Finding the Fourth Proportional to 126,085.81, 173,996.16 and 68,725.66

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Solution

The fourth proportional to 126,085.81, 173,996.16 and 68,725.66 is: 94,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,085.81 : 173,996.16 = 68,725.66 : x
  2. Step 2: Convert to fraction form
    126,085.81/173,996.16 = 68,725.66/x
  3. Step 3: Cross multiply
    126,085.81x = 173,996.16 × 68,725.66
  4. Step 4: Simplify right side
    126,085.81x = 11,958,000,933.47
  5. Step 5: Solve for x
    x = 11,958,000,933.47/126,085.81
  6. Step 6: Final answer
    x = 94,840.18

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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.