Home / 126,065.61-173,968.29-68,705.46

Finding the Fourth Proportional to 126,065.61, 173,968.29 and 68,705.46

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Solution

The fourth proportional to 126,065.61, 173,968.29 and 68,705.46 is: 94,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,065.61 : 173,968.29 = 68,705.46 : x
  2. Step 2: Convert to fraction form
    126,065.61/173,968.29 = 68,705.46/x
  3. Step 3: Cross multiply
    126,065.61x = 173,968.29 × 68,705.46
  4. Step 4: Simplify right side
    126,065.61x = 11,952,571,389.86
  5. Step 5: Solve for x
    x = 11,952,571,389.86/126,065.61
  6. Step 6: Final answer
    x = 94,812.31

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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.