Home / 165,355.14-228,188.94-89,903.64

Finding the Fourth Proportional to 165,355.14, 228,188.94 and 89,903.64

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Solution

The fourth proportional to 165,355.14, 228,188.94 and 89,903.64 is: 124,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.14 : 228,188.94 = 89,903.64 : x
  2. Step 2: Convert to fraction form
    165,355.14/228,188.94 = 89,903.64/x
  3. Step 3: Cross multiply
    165,355.14x = 228,188.94 × 89,903.64
  4. Step 4: Simplify right side
    165,355.14x = 20,515,016,313.74
  5. Step 5: Solve for x
    x = 20,515,016,313.74/165,355.14
  6. Step 6: Final answer
    x = 124,066.40

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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.