Home / 165,279.62-228,084.78-89,828.12

Finding the Fourth Proportional to 165,279.62, 228,084.78 and 89,828.12

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Solution

The fourth proportional to 165,279.62, 228,084.78 and 89,828.12 is: 123,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,279.62 : 228,084.78 = 89,828.12 : x
  2. Step 2: Convert to fraction form
    165,279.62/228,084.78 = 89,828.12/x
  3. Step 3: Cross multiply
    165,279.62x = 228,084.78 × 89,828.12
  4. Step 4: Simplify right side
    165,279.62x = 20,488,426,988.01
  5. Step 5: Solve for x
    x = 20,488,426,988.01/165,279.62
  6. Step 6: Final answer
    x = 123,962.21

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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.