Home / 73,186.20-109,565.46-66,182.34

Finding the Fourth Proportional to 73,186.20, 109,565.46 and 66,182.34

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Solution

The fourth proportional to 73,186.20, 109,565.46 and 66,182.34 is: 99,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,186.20 : 109,565.46 = 66,182.34 : x
  2. Step 2: Convert to fraction form
    73,186.20/109,565.46 = 66,182.34/x
  3. Step 3: Cross multiply
    73,186.20x = 109,565.46 × 66,182.34
  4. Step 4: Simplify right side
    73,186.20x = 7,251,298,525.98
  5. Step 5: Solve for x
    x = 7,251,298,525.98/73,186.20
  6. Step 6: Final answer
    x = 99,080.13

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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.