Home / 203,767.28-281,242.86-155,494.64

Finding the Fourth Proportional to 203,767.28, 281,242.86 and 155,494.64

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Solution

The fourth proportional to 203,767.28, 281,242.86 and 155,494.64 is: 214,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,767.28 : 281,242.86 = 155,494.64 : x
  2. Step 2: Convert to fraction form
    203,767.28/281,242.86 = 155,494.64/x
  3. Step 3: Cross multiply
    203,767.28x = 281,242.86 × 155,494.64
  4. Step 4: Simplify right side
    203,767.28x = 43,731,757,268.27
  5. Step 5: Solve for x
    x = 43,731,757,268.27/203,767.28
  6. Step 6: Final answer
    x = 214,616.19

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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.