Home / 165,477.21-228,437.87-101,869.53

Finding the Fourth Proportional to 165,477.21, 228,437.87 and 101,869.53

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Solution

The fourth proportional to 165,477.21, 228,437.87 and 101,869.53 is: 140,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477.21 : 228,437.87 = 101,869.53 : x
  2. Step 2: Convert to fraction form
    165,477.21/228,437.87 = 101,869.53/x
  3. Step 3: Cross multiply
    165,477.21x = 228,437.87 × 101,869.53
  4. Step 4: Simplify right side
    165,477.21x = 23,270,857,941.75
  5. Step 5: Solve for x
    x = 23,270,857,941.75/165,477.21
  6. Step 6: Final answer
    x = 140,628.78

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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.