Home / 268,985.44-403,145.58-135,903.52

Finding the Fourth Proportional to 268,985.44, 403,145.58 and 135,903.52

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Solution

The fourth proportional to 268,985.44, 403,145.58 and 135,903.52 is: 203,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,985.44 : 403,145.58 = 135,903.52 : x
  2. Step 2: Convert to fraction form
    268,985.44/403,145.58 = 135,903.52/x
  3. Step 3: Cross multiply
    268,985.44x = 403,145.58 × 135,903.52
  4. Step 4: Simplify right side
    268,985.44x = 54,788,903,394.44
  5. Step 5: Solve for x
    x = 54,788,903,394.44/268,985.44
  6. Step 6: Final answer
    x = 203,687.25

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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.