Home / 132,380.45-198,669.12-53,495.36

Finding the Fourth Proportional to 132,380.45, 198,669.12 and 53,495.36

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Solution

The fourth proportional to 132,380.45, 198,669.12 and 53,495.36 is: 80,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.45 : 198,669.12 = 53,495.36 : x
  2. Step 2: Convert to fraction form
    132,380.45/198,669.12 = 53,495.36/x
  3. Step 3: Cross multiply
    132,380.45x = 198,669.12 × 53,495.36
  4. Step 4: Simplify right side
    132,380.45x = 10,627,875,827.81
  5. Step 5: Solve for x
    x = 10,627,875,827.81/132,380.45
  6. Step 6: Final answer
    x = 80,282.82

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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.