Home / 165,699.14-228,667.47-90,247.64

Finding the Fourth Proportional to 165,699.14, 228,667.47 and 90,247.64

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Solution

The fourth proportional to 165,699.14, 228,667.47 and 90,247.64 is: 124,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,699.14 : 228,667.47 = 90,247.64 : x
  2. Step 2: Convert to fraction form
    165,699.14/228,667.47 = 90,247.64/x
  3. Step 3: Cross multiply
    165,699.14x = 228,667.47 × 90,247.64
  4. Step 4: Simplify right side
    165,699.14x = 20,636,699,512.27
  5. Step 5: Solve for x
    x = 20,636,699,512.27/165,699.14
  6. Step 6: Final answer
    x = 124,543.19

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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.