Home / 157,481.48-217,412.88-109,153.64

Finding the Fourth Proportional to 157,481.48, 217,412.88 and 109,153.64

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Solution

The fourth proportional to 157,481.48, 217,412.88 and 109,153.64 is: 150,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,481.48 : 217,412.88 = 109,153.64 : x
  2. Step 2: Convert to fraction form
    157,481.48/217,412.88 = 109,153.64/x
  3. Step 3: Cross multiply
    157,481.48x = 217,412.88 × 109,153.64
  4. Step 4: Simplify right side
    157,481.48x = 23,731,407,234.88
  5. Step 5: Solve for x
    x = 23,731,407,234.88/157,481.48
  6. Step 6: Final answer
    x = 150,693.32

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1.5x scale

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.