Home / 165,494.13-228,381.89-90,043.17

Finding the Fourth Proportional to 165,494.13, 228,381.89 and 90,043.17

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Solution

The fourth proportional to 165,494.13, 228,381.89 and 90,043.17 is: 124,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,494.13 : 228,381.89 = 90,043.17 : x
  2. Step 2: Convert to fraction form
    165,494.13/228,381.89 = 90,043.17/x
  3. Step 3: Cross multiply
    165,494.13x = 228,381.89 × 90,043.17
  4. Step 4: Simplify right side
    165,494.13x = 20,564,229,346.19
  5. Step 5: Solve for x
    x = 20,564,229,346.19/165,494.13
  6. Step 6: Final answer
    x = 124,259.57

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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.