Home / 197,749.72-272,892.96-107,103.58

Finding the Fourth Proportional to 197,749.72, 272,892.96 and 107,103.58

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Solution

The fourth proportional to 197,749.72, 272,892.96 and 107,103.58 is: 147,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,749.72 : 272,892.96 = 107,103.58 : x
  2. Step 2: Convert to fraction form
    197,749.72/272,892.96 = 107,103.58/x
  3. Step 3: Cross multiply
    197,749.72x = 272,892.96 × 107,103.58
  4. Step 4: Simplify right side
    197,749.72x = 29,227,812,972.80
  5. Step 5: Solve for x
    x = 29,227,812,972.80/197,749.72
  6. Step 6: Final answer
    x = 147,802.04

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1.5x scale

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.