Home / 151,168.62-226,602.45-72,190.50

Finding the Fourth Proportional to 151,168.62, 226,602.45 and 72,190.50

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Solution

The fourth proportional to 151,168.62, 226,602.45 and 72,190.50 is: 108,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,168.62 : 226,602.45 = 72,190.50 : x
  2. Step 2: Convert to fraction form
    151,168.62/226,602.45 = 72,190.50/x
  3. Step 3: Cross multiply
    151,168.62x = 226,602.45 × 72,190.50
  4. Step 4: Simplify right side
    151,168.62x = 16,358,544,166.73
  5. Step 5: Solve for x
    x = 16,358,544,166.73/151,168.62
  6. Step 6: Final answer
    x = 108,213.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.