Home / 151,021.87-208,392.92-120,796.18

Finding the Fourth Proportional to 151,021.87, 208,392.92 and 120,796.18

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Solution

The fourth proportional to 151,021.87, 208,392.92 and 120,796.18 is: 166,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,021.87 : 208,392.92 = 120,796.18 : x
  2. Step 2: Convert to fraction form
    151,021.87/208,392.92 = 120,796.18/x
  3. Step 3: Cross multiply
    151,021.87x = 208,392.92 × 120,796.18
  4. Step 4: Simplify right side
    151,021.87x = 25,173,068,003.07
  5. Step 5: Solve for x
    x = 25,173,068,003.07/151,021.87
  6. Step 6: Final answer
    x = 166,684.92

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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.