Home / 132,364.45-198,645.09-53,479.36

Finding the Fourth Proportional to 132,364.45, 198,645.09 and 53,479.36

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Solution

The fourth proportional to 132,364.45, 198,645.09 and 53,479.36 is: 80,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,364.45 : 198,645.09 = 53,479.36 : x
  2. Step 2: Convert to fraction form
    132,364.45/198,645.09 = 53,479.36/x
  3. Step 3: Cross multiply
    132,364.45x = 198,645.09 × 53,479.36
  4. Step 4: Simplify right side
    132,364.45x = 10,623,412,280.34
  5. Step 5: Solve for x
    x = 10,623,412,280.34/132,364.45
  6. Step 6: Final answer
    x = 80,258.80

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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.