Home / 165,512.79-228,412.85-101,887.29

Finding the Fourth Proportional to 165,512.79, 228,412.85 and 101,887.29

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Solution

The fourth proportional to 165,512.79, 228,412.85 and 101,887.29 is: 140,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,512.79 : 228,412.85 = 101,887.29 : x
  2. Step 2: Convert to fraction form
    165,512.79/228,412.85 = 101,887.29/x
  3. Step 3: Cross multiply
    165,512.79x = 228,412.85 × 101,887.29
  4. Step 4: Simplify right side
    165,512.79x = 23,272,365,778.24
  5. Step 5: Solve for x
    x = 23,272,365,778.24/165,512.79
  6. Step 6: Final answer
    x = 140,607.66

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1.5x scale

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.