Home / 165,840.16-228,892.08-115,510

Finding the Fourth Proportional to 165,840.16, 228,892.08 and 115,510

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Solution

The fourth proportional to 165,840.16, 228,892.08 and 115,510 is: 159,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,840.16 : 228,892.08 = 115,510 : x
  2. Step 2: Convert to fraction form
    165,840.16/228,892.08 = 115,510/x
  3. Step 3: Cross multiply
    165,840.16x = 228,892.08 × 115,510
  4. Step 4: Simplify right side
    165,840.16x = 26,439,324,160.80
  5. Step 5: Solve for x
    x = 26,439,324,160.80/165,840.16
  6. Step 6: Final answer
    x = 159,426.55

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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.