Home / 132,001.20-197,710.20-102,322.80

Finding the Fourth Proportional to 132,001.20, 197,710.20 and 102,322.80

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Solution

The fourth proportional to 132,001.20, 197,710.20 and 102,322.80 is: 153,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.20 : 197,710.20 = 102,322.80 : x
  2. Step 2: Convert to fraction form
    132,001.20/197,710.20 = 102,322.80/x
  3. Step 3: Cross multiply
    132,001.20x = 197,710.20 × 102,322.80
  4. Step 4: Simplify right side
    132,001.20x = 20,230,261,252.56
  5. Step 5: Solve for x
    x = 20,230,261,252.56/132,001.20
  6. Step 6: Final answer
    x = 153,258.16

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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.