Home / 165,985.50-228,986.78-102,360.18

Finding the Fourth Proportional to 165,985.50, 228,986.78 and 102,360.18

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Solution

The fourth proportional to 165,985.50, 228,986.78 and 102,360.18 is: 141,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,985.50 : 228,986.78 = 102,360.18 : x
  2. Step 2: Convert to fraction form
    165,985.50/228,986.78 = 102,360.18/x
  3. Step 3: Cross multiply
    165,985.50x = 228,986.78 × 102,360.18
  4. Step 4: Simplify right side
    165,985.50x = 23,439,128,018.42
  5. Step 5: Solve for x
    x = 23,439,128,018.42/165,985.50
  6. Step 6: Final answer
    x = 141,211.90

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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.