Home / 118,965.28-164,180.44-67,985.54

Finding the Fourth Proportional to 118,965.28, 164,180.44 and 67,985.54

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Solution

The fourth proportional to 118,965.28, 164,180.44 and 67,985.54 is: 93,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,965.28 : 164,180.44 = 67,985.54 : x
  2. Step 2: Convert to fraction form
    118,965.28/164,180.44 = 67,985.54/x
  3. Step 3: Cross multiply
    118,965.28x = 164,180.44 × 67,985.54
  4. Step 4: Simplify right side
    118,965.28x = 11,161,896,369.49
  5. Step 5: Solve for x
    x = 11,161,896,369.49/118,965.28
  6. Step 6: Final answer
    x = 93,824.82

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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.