Home / 165,268.72-228,066.12-93,671.92

Finding the Fourth Proportional to 165,268.72, 228,066.12 and 93,671.92

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Solution

The fourth proportional to 165,268.72, 228,066.12 and 93,671.92 is: 129,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,268.72 : 228,066.12 = 93,671.92 : x
  2. Step 2: Convert to fraction form
    165,268.72/228,066.12 = 93,671.92/x
  3. Step 3: Cross multiply
    165,268.72x = 228,066.12 × 93,671.92
  4. Step 4: Simplify right side
    165,268.72x = 21,363,391,347.35
  5. Step 5: Solve for x
    x = 21,363,391,347.35/165,268.72
  6. Step 6: Final answer
    x = 129,264.58

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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.