Home / 155,366.96-214,441.80-109,997.78

Finding the Fourth Proportional to 155,366.96, 214,441.80 and 109,997.78

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Solution

The fourth proportional to 155,366.96, 214,441.80 and 109,997.78 is: 151,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,366.96 : 214,441.80 = 109,997.78 : x
  2. Step 2: Convert to fraction form
    155,366.96/214,441.80 = 109,997.78/x
  3. Step 3: Cross multiply
    155,366.96x = 214,441.80 × 109,997.78
  4. Step 4: Simplify right side
    155,366.96x = 23,588,121,939.20
  5. Step 5: Solve for x
    x = 23,588,121,939.20/155,366.96
  6. Step 6: Final answer
    x = 151,822.00

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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.