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Finding the Fourth Proportional to 164,402.70, 226,875.71 and 88,951.20

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Solution

The fourth proportional to 164,402.70, 226,875.71 and 88,951.20 is: 122,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,402.70 : 226,875.71 = 88,951.20 : x
  2. Step 2: Convert to fraction form
    164,402.70/226,875.71 = 88,951.20/x
  3. Step 3: Cross multiply
    164,402.70x = 226,875.71 × 88,951.20
  4. Step 4: Simplify right side
    164,402.70x = 20,180,865,076.22
  5. Step 5: Solve for x
    x = 20,180,865,076.22/164,402.70
  6. Step 6: Final answer
    x = 122,752.64

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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.