Home / 165,292.28-228,101.64-89,840.24

Finding the Fourth Proportional to 165,292.28, 228,101.64 and 89,840.24

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Solution

The fourth proportional to 165,292.28, 228,101.64 and 89,840.24 is: 123,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,292.28 : 228,101.64 = 89,840.24 : x
  2. Step 2: Convert to fraction form
    165,292.28/228,101.64 = 89,840.24/x
  3. Step 3: Cross multiply
    165,292.28x = 228,101.64 × 89,840.24
  4. Step 4: Simplify right side
    165,292.28x = 20,492,706,081.99
  5. Step 5: Solve for x
    x = 20,492,706,081.99/165,292.28
  6. Step 6: Final answer
    x = 123,978.60

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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.