Home / 150,071.20-225,023.68-61,386.98

Finding the Fourth Proportional to 150,071.20, 225,023.68 and 61,386.98

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Solution

The fourth proportional to 150,071.20, 225,023.68 and 61,386.98 is: 92,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,071.20 : 225,023.68 = 61,386.98 : x
  2. Step 2: Convert to fraction form
    150,071.20/225,023.68 = 61,386.98/x
  3. Step 3: Cross multiply
    150,071.20x = 225,023.68 × 61,386.98
  4. Step 4: Simplify right side
    150,071.20x = 13,813,524,143.69
  5. Step 5: Solve for x
    x = 13,813,524,143.69/150,071.20
  6. Step 6: Final answer
    x = 92,046.47

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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.