Home / 189,281.88-261,208.48-108,714.62

Finding the Fourth Proportional to 189,281.88, 261,208.48 and 108,714.62

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Solution

The fourth proportional to 189,281.88, 261,208.48 and 108,714.62 is: 150,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,281.88 : 261,208.48 = 108,714.62 : x
  2. Step 2: Convert to fraction form
    189,281.88/261,208.48 = 108,714.62/x
  3. Step 3: Cross multiply
    189,281.88x = 261,208.48 × 108,714.62
  4. Step 4: Simplify right side
    189,281.88x = 28,397,180,643.98
  5. Step 5: Solve for x
    x = 28,397,180,643.98/189,281.88
  6. Step 6: Final answer
    x = 150,025.88

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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.