Home / 203,655.29-281,036.94-113,015.21

Finding the Fourth Proportional to 203,655.29, 281,036.94 and 113,015.21

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Solution

The fourth proportional to 203,655.29, 281,036.94 and 113,015.21 is: 155,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,655.29 : 281,036.94 = 113,015.21 : x
  2. Step 2: Convert to fraction form
    203,655.29/281,036.94 = 113,015.21/x
  3. Step 3: Cross multiply
    203,655.29x = 281,036.94 × 113,015.21
  4. Step 4: Simplify right side
    203,655.29x = 31,761,448,791.86
  5. Step 5: Solve for x
    x = 31,761,448,791.86/203,655.29
  6. Step 6: Final answer
    x = 155,956.91

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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.