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Finding the Fourth Proportional to 162,353.20, 223,902.34 and 101,929.48

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Solution

The fourth proportional to 162,353.20, 223,902.34 and 101,929.48 is: 140,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.20 : 223,902.34 = 101,929.48 : x
  2. Step 2: Convert to fraction form
    162,353.20/223,902.34 = 101,929.48/x
  3. Step 3: Cross multiply
    162,353.20x = 223,902.34 × 101,929.48
  4. Step 4: Simplify right side
    162,353.20x = 22,822,249,086.98
  5. Step 5: Solve for x
    x = 22,822,249,086.98/162,353.20
  6. Step 6: Final answer
    x = 140,571.60

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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.