Home / 135,932.96-203,899.44-42,446.72

Finding the Fourth Proportional to 135,932.96, 203,899.44 and 42,446.72

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Solution

The fourth proportional to 135,932.96, 203,899.44 and 42,446.72 is: 63,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.96 : 203,899.44 = 42,446.72 : x
  2. Step 2: Convert to fraction form
    135,932.96/203,899.44 = 42,446.72/x
  3. Step 3: Cross multiply
    135,932.96x = 203,899.44 × 42,446.72
  4. Step 4: Simplify right side
    135,932.96x = 8,654,862,437.84
  5. Step 5: Solve for x
    x = 8,654,862,437.84/135,932.96
  6. Step 6: Final answer
    x = 63,670.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.