Home / 165,280.62-228,086.16-89,829.12

Finding the Fourth Proportional to 165,280.62, 228,086.16 and 89,829.12

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Solution

The fourth proportional to 165,280.62, 228,086.16 and 89,829.12 is: 123,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280.62 : 228,086.16 = 89,829.12 : x
  2. Step 2: Convert to fraction form
    165,280.62/228,086.16 = 89,829.12/x
  3. Step 3: Cross multiply
    165,280.62x = 228,086.16 × 89,829.12
  4. Step 4: Simplify right side
    165,280.62x = 20,488,779,036.98
  5. Step 5: Solve for x
    x = 20,488,779,036.98/165,280.62
  6. Step 6: Final answer
    x = 123,963.59

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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.