Home / 165,280.59-228,086.13-89,829.09

Finding the Fourth Proportional to 165,280.59, 228,086.13 and 89,829.09

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Solution

The fourth proportional to 165,280.59, 228,086.13 and 89,829.09 is: 123,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280.59 : 228,086.13 = 89,829.09 : x
  2. Step 2: Convert to fraction form
    165,280.59/228,086.13 = 89,829.09/x
  3. Step 3: Cross multiply
    165,280.59x = 228,086.13 × 89,829.09
  4. Step 4: Simplify right side
    165,280.59x = 20,488,769,499.52
  5. Step 5: Solve for x
    x = 20,488,769,499.52/165,280.59
  6. Step 6: Final answer
    x = 123,963.55

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1.5x scale

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.