Home / 165,321.68-228,134.28-89,869.52

Finding the Fourth Proportional to 165,321.68, 228,134.28 and 89,869.52

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Solution

The fourth proportional to 165,321.68, 228,134.28 and 89,869.52 is: 124,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,321.68 : 228,134.28 = 89,869.52 : x
  2. Step 2: Convert to fraction form
    165,321.68/228,134.28 = 89,869.52/x
  3. Step 3: Cross multiply
    165,321.68x = 228,134.28 × 89,869.52
  4. Step 4: Simplify right side
    165,321.68x = 20,502,318,239.15
  5. Step 5: Solve for x
    x = 20,502,318,239.15/165,321.68
  6. Step 6: Final answer
    x = 124,014.70

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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.