Home / 165,648.64-228,596-90,199.04

Finding the Fourth Proportional to 165,648.64, 228,596 and 90,199.04

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Solution

The fourth proportional to 165,648.64, 228,596 and 90,199.04 is: 124,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,648.64 : 228,596 = 90,199.04 : x
  2. Step 2: Convert to fraction form
    165,648.64/228,596 = 90,199.04/x
  3. Step 3: Cross multiply
    165,648.64x = 228,596 × 90,199.04
  4. Step 4: Simplify right side
    165,648.64x = 20,619,139,747.84
  5. Step 5: Solve for x
    x = 20,619,139,747.84/165,648.64
  6. Step 6: Final answer
    x = 124,475.15

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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.