Home / 181,839.45-250,921.44-105,361.46

Finding the Fourth Proportional to 181,839.45, 250,921.44 and 105,361.46

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Solution

The fourth proportional to 181,839.45, 250,921.44 and 105,361.46 is: 145,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,839.45 : 250,921.44 = 105,361.46 : x
  2. Step 2: Convert to fraction form
    181,839.45/250,921.44 = 105,361.46/x
  3. Step 3: Cross multiply
    181,839.45x = 250,921.44 × 105,361.46
  4. Step 4: Simplify right side
    181,839.45x = 26,437,448,009.10
  5. Step 5: Solve for x
    x = 26,437,448,009.10/181,839.45
  6. Step 6: Final answer
    x = 145,388.96

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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.