Home / 156,445.12-234,674.48-76,550.37

Finding the Fourth Proportional to 156,445.12, 234,674.48 and 76,550.37

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Solution

The fourth proportional to 156,445.12, 234,674.48 and 76,550.37 is: 114,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,445.12 : 234,674.48 = 76,550.37 : x
  2. Step 2: Convert to fraction form
    156,445.12/234,674.48 = 76,550.37/x
  3. Step 3: Cross multiply
    156,445.12x = 234,674.48 × 76,550.37
  4. Step 4: Simplify right side
    156,445.12x = 17,964,418,273.56
  5. Step 5: Solve for x
    x = 17,964,418,273.56/156,445.12
  6. Step 6: Final answer
    x = 114,828.88

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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.