Home / 132,280.67-198,419.90-53,393.69

Finding the Fourth Proportional to 132,280.67, 198,419.90 and 53,393.69

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Solution

The fourth proportional to 132,280.67, 198,419.90 and 53,393.69 is: 80,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,280.67 : 198,419.90 = 53,393.69 : x
  2. Step 2: Convert to fraction form
    132,280.67/198,419.90 = 53,393.69/x
  3. Step 3: Cross multiply
    132,280.67x = 198,419.90 × 53,393.69
  4. Step 4: Simplify right side
    132,280.67x = 10,594,369,371.36
  5. Step 5: Solve for x
    x = 10,594,369,371.36/132,280.67
  6. Step 6: Final answer
    x = 80,090.08

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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.