Home / 150,281.16-225,513.34-78,241.38

Finding the Fourth Proportional to 150,281.16, 225,513.34 and 78,241.38

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Solution

The fourth proportional to 150,281.16, 225,513.34 and 78,241.38 is: 117,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,281.16 : 225,513.34 = 78,241.38 : x
  2. Step 2: Convert to fraction form
    150,281.16/225,513.34 = 78,241.38/x
  3. Step 3: Cross multiply
    150,281.16x = 225,513.34 × 78,241.38
  4. Step 4: Simplify right side
    150,281.16x = 17,644,474,930.01
  5. Step 5: Solve for x
    x = 17,644,474,930.01/150,281.16
  6. Step 6: Final answer
    x = 117,409.76

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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.