Home / 122,711.64-169,339.83-68,263.56

Finding the Fourth Proportional to 122,711.64, 169,339.83 and 68,263.56

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Solution

The fourth proportional to 122,711.64, 169,339.83 and 68,263.56 is: 94,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711.64 : 169,339.83 = 68,263.56 : x
  2. Step 2: Convert to fraction form
    122,711.64/169,339.83 = 68,263.56/x
  3. Step 3: Cross multiply
    122,711.64x = 169,339.83 × 68,263.56
  4. Step 4: Simplify right side
    122,711.64x = 11,559,739,645.59
  5. Step 5: Solve for x
    x = 11,559,739,645.59/122,711.64
  6. Step 6: Final answer
    x = 94,202.47

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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.