Home / 450,945.54-676,521.99-135,408.42

Finding the Fourth Proportional to 450,945.54, 676,521.99 and 135,408.42

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Solution

The fourth proportional to 450,945.54, 676,521.99 and 135,408.42 is: 203,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,945.54 : 676,521.99 = 135,408.42 : x
  2. Step 2: Convert to fraction form
    450,945.54/676,521.99 = 135,408.42/x
  3. Step 3: Cross multiply
    450,945.54x = 676,521.99 × 135,408.42
  4. Step 4: Simplify right side
    450,945.54x = 91,606,773,761.16
  5. Step 5: Solve for x
    x = 91,606,773,761.16/450,945.54
  6. Step 6: Final answer
    x = 203,143.76

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1.5x scale

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.