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Finding the Fourth Proportional to 132,001.10, 197,656.05 and 96,749.90

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Solution

The fourth proportional to 132,001.10, 197,656.05 and 96,749.90 is: 144,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.10 : 197,656.05 = 96,749.90 : x
  2. Step 2: Convert to fraction form
    132,001.10/197,656.05 = 96,749.90/x
  3. Step 3: Cross multiply
    132,001.10x = 197,656.05 × 96,749.90
  4. Step 4: Simplify right side
    132,001.10x = 19,123,203,071.90
  5. Step 5: Solve for x
    x = 19,123,203,071.90/132,001.10
  6. Step 6: Final answer
    x = 144,871.54

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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.