Home / 141,739.20-195,621.60-107,691.84

Finding the Fourth Proportional to 141,739.20, 195,621.60 and 107,691.84

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Solution

The fourth proportional to 141,739.20, 195,621.60 and 107,691.84 is: 148,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,739.20 : 195,621.60 = 107,691.84 : x
  2. Step 2: Convert to fraction form
    141,739.20/195,621.60 = 107,691.84/x
  3. Step 3: Cross multiply
    141,739.20x = 195,621.60 × 107,691.84
  4. Step 4: Simplify right side
    141,739.20x = 21,066,850,047.74
  5. Step 5: Solve for x
    x = 21,066,850,047.74/141,739.20
  6. Step 6: Final answer
    x = 148,631.08

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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.