Home / 147,014.38-220,462.21-57,009.70

Finding the Fourth Proportional to 147,014.38, 220,462.21 and 57,009.70

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Solution

The fourth proportional to 147,014.38, 220,462.21 and 57,009.70 is: 85,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,014.38 : 220,462.21 = 57,009.70 : x
  2. Step 2: Convert to fraction form
    147,014.38/220,462.21 = 57,009.70/x
  3. Step 3: Cross multiply
    147,014.38x = 220,462.21 × 57,009.70
  4. Step 4: Simplify right side
    147,014.38x = 12,568,484,168.39
  5. Step 5: Solve for x
    x = 12,568,484,168.39/147,014.38
  6. Step 6: Final answer
    x = 85,491.53

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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.