Home / 197,748.72-272,891.58-107,102.58

Finding the Fourth Proportional to 197,748.72, 272,891.58 and 107,102.58

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Solution

The fourth proportional to 197,748.72, 272,891.58 and 107,102.58 is: 147,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,748.72 : 272,891.58 = 107,102.58 : x
  2. Step 2: Convert to fraction form
    197,748.72/272,891.58 = 107,102.58/x
  3. Step 3: Cross multiply
    197,748.72x = 272,891.58 × 107,102.58
  4. Step 4: Simplify right side
    197,748.72x = 29,227,392,278.28
  5. Step 5: Solve for x
    x = 29,227,392,278.28/197,748.72
  6. Step 6: Final answer
    x = 147,800.66

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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.