Home / 132,113.99-198,191.64-43,347.31

Finding the Fourth Proportional to 132,113.99, 198,191.64 and 43,347.31

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Solution

The fourth proportional to 132,113.99, 198,191.64 and 43,347.31 is: 65,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,113.99 : 198,191.64 = 43,347.31 : x
  2. Step 2: Convert to fraction form
    132,113.99/198,191.64 = 43,347.31/x
  3. Step 3: Cross multiply
    132,113.99x = 198,191.64 × 43,347.31
  4. Step 4: Simplify right side
    132,113.99x = 8,591,073,963.01
  5. Step 5: Solve for x
    x = 8,591,073,963.01/132,113.99
  6. Step 6: Final answer
    x = 65,027.74

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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.