Home / 122,698.64-169,329.02-68,983.49

Finding the Fourth Proportional to 122,698.64, 169,329.02 and 68,983.49

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Solution

The fourth proportional to 122,698.64, 169,329.02 and 68,983.49 is: 95,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,698.64 : 169,329.02 = 68,983.49 : x
  2. Step 2: Convert to fraction form
    122,698.64/169,329.02 = 68,983.49/x
  3. Step 3: Cross multiply
    122,698.64x = 169,329.02 × 68,983.49
  4. Step 4: Simplify right side
    122,698.64x = 11,680,906,836.28
  5. Step 5: Solve for x
    x = 11,680,906,836.28/122,698.64
  6. Step 6: Final answer
    x = 95,199.97

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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.