Home / 151,287.20-228,063.64-141,138.08

Finding the Fourth Proportional to 151,287.20, 228,063.64 and 141,138.08

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Solution

The fourth proportional to 151,287.20, 228,063.64 and 141,138.08 is: 212,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,287.20 : 228,063.64 = 141,138.08 : x
  2. Step 2: Convert to fraction form
    151,287.20/228,063.64 = 141,138.08/x
  3. Step 3: Cross multiply
    151,287.20x = 228,063.64 × 141,138.08
  4. Step 4: Simplify right side
    151,287.20x = 32,188,464,267.41
  5. Step 5: Solve for x
    x = 32,188,464,267.41/151,287.20
  6. Step 6: Final answer
    x = 212,763.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.