Home / 118,973.78-164,180.86-67,983.27

Finding the Fourth Proportional to 118,973.78, 164,180.86 and 67,983.27

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Solution

The fourth proportional to 118,973.78, 164,180.86 and 67,983.27 is: 93,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,973.78 : 164,180.86 = 67,983.27 : x
  2. Step 2: Convert to fraction form
    118,973.78/164,180.86 = 67,983.27/x
  3. Step 3: Cross multiply
    118,973.78x = 164,180.86 × 67,983.27
  4. Step 4: Simplify right side
    118,973.78x = 11,161,550,948.58
  5. Step 5: Solve for x
    x = 11,161,550,948.58/118,973.78
  6. Step 6: Final answer
    x = 93,815.22

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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.