Home / 165,116.41-227,860.70-89,664.91

Finding the Fourth Proportional to 165,116.41, 227,860.70 and 89,664.91

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Solution

The fourth proportional to 165,116.41, 227,860.70 and 89,664.91 is: 123,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,116.41 : 227,860.70 = 89,664.91 : x
  2. Step 2: Convert to fraction form
    165,116.41/227,860.70 = 89,664.91/x
  3. Step 3: Cross multiply
    165,116.41x = 227,860.70 × 89,664.91
  4. Step 4: Simplify right side
    165,116.41x = 20,431,108,140.06
  5. Step 5: Solve for x
    x = 20,431,108,140.06/165,116.41
  6. Step 6: Final answer
    x = 123,737.60

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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.