Home / 126,077.07-173,981.93-68,715.27

Finding the Fourth Proportional to 126,077.07, 173,981.93 and 68,715.27

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Solution

The fourth proportional to 126,077.07, 173,981.93 and 68,715.27 is: 94,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,077.07 : 173,981.93 = 68,715.27 : x
  2. Step 2: Convert to fraction form
    126,077.07/173,981.93 = 68,715.27/x
  3. Step 3: Cross multiply
    126,077.07x = 173,981.93 × 68,715.27
  4. Step 4: Simplify right side
    126,077.07x = 11,955,214,951.49
  5. Step 5: Solve for x
    x = 11,955,214,951.49/126,077.07
  6. Step 6: Final answer
    x = 94,824.65

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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.