Home / 132,356.20-198,534.30-73,161.40

Finding the Fourth Proportional to 132,356.20, 198,534.30 and 73,161.40

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Solution

The fourth proportional to 132,356.20, 198,534.30 and 73,161.40 is: 109,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.20 : 198,534.30 = 73,161.40 : x
  2. Step 2: Convert to fraction form
    132,356.20/198,534.30 = 73,161.40/x
  3. Step 3: Cross multiply
    132,356.20x = 198,534.30 × 73,161.40
  4. Step 4: Simplify right side
    132,356.20x = 14,525,047,336.02
  5. Step 5: Solve for x
    x = 14,525,047,336.02/132,356.20
  6. Step 6: Final answer
    x = 109,742.10

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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.