Home / 165,287.75-228,097.10-98,219.75

Finding the Fourth Proportional to 165,287.75, 228,097.10 and 98,219.75

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Solution

The fourth proportional to 165,287.75, 228,097.10 and 98,219.75 is: 135,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,287.75 : 228,097.10 = 98,219.75 : x
  2. Step 2: Convert to fraction form
    165,287.75/228,097.10 = 98,219.75/x
  3. Step 3: Cross multiply
    165,287.75x = 228,097.10 × 98,219.75
  4. Step 4: Simplify right side
    165,287.75x = 22,403,639,646.63
  5. Step 5: Solve for x
    x = 22,403,639,646.63/165,287.75
  6. Step 6: Final answer
    x = 135,543.26

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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.