Home / 165,530.48-228,219-120,274.16

Finding the Fourth Proportional to 165,530.48, 228,219 and 120,274.16

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Solution

The fourth proportional to 165,530.48, 228,219 and 120,274.16 is: 165,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.48 : 228,219 = 120,274.16 : x
  2. Step 2: Convert to fraction form
    165,530.48/228,219 = 120,274.16/x
  3. Step 3: Cross multiply
    165,530.48x = 228,219 × 120,274.16
  4. Step 4: Simplify right side
    165,530.48x = 27,448,848,521.04
  5. Step 5: Solve for x
    x = 27,448,848,521.04/165,530.48
  6. Step 6: Final answer
    x = 165,823.53

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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.