Home / 126,071.61-173,976.57-68,711.46

Finding the Fourth Proportional to 126,071.61, 173,976.57 and 68,711.46

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Solution

The fourth proportional to 126,071.61, 173,976.57 and 68,711.46 is: 94,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,071.61 : 173,976.57 = 68,711.46 : x
  2. Step 2: Convert to fraction form
    126,071.61/173,976.57 = 68,711.46/x
  3. Step 3: Cross multiply
    126,071.61x = 173,976.57 × 68,711.46
  4. Step 4: Simplify right side
    126,071.61x = 11,954,184,130.49
  5. Step 5: Solve for x
    x = 11,954,184,130.49/126,071.61
  6. Step 6: Final answer
    x = 94,820.59

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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.