Home / 137,138.20-205,602.48-94,905.88

Finding the Fourth Proportional to 137,138.20, 205,602.48 and 94,905.88

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Solution

The fourth proportional to 137,138.20, 205,602.48 and 94,905.88 is: 142,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,138.20 : 205,602.48 = 94,905.88 : x
  2. Step 2: Convert to fraction form
    137,138.20/205,602.48 = 94,905.88/x
  3. Step 3: Cross multiply
    137,138.20x = 205,602.48 × 94,905.88
  4. Step 4: Simplify right side
    137,138.20x = 19,512,884,294.58
  5. Step 5: Solve for x
    x = 19,512,884,294.58/137,138.20
  6. Step 6: Final answer
    x = 142,286.28

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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.