Home / 132,589.20-182,969.64-72,161.04

Finding the Fourth Proportional to 132,589.20, 182,969.64 and 72,161.04

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Solution

The fourth proportional to 132,589.20, 182,969.64 and 72,161.04 is: 99,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.20 : 182,969.64 = 72,161.04 : x
  2. Step 2: Convert to fraction form
    132,589.20/182,969.64 = 72,161.04/x
  3. Step 3: Cross multiply
    132,589.20x = 182,969.64 × 72,161.04
  4. Step 4: Simplify right side
    132,589.20x = 13,203,279,510.83
  5. Step 5: Solve for x
    x = 13,203,279,510.83/132,589.20
  6. Step 6: Final answer
    x = 99,580.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.