Home / 156,945.38-235,424.25-82,014.65

Finding the Fourth Proportional to 156,945.38, 235,424.25 and 82,014.65

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Solution

The fourth proportional to 156,945.38, 235,424.25 and 82,014.65 is: 123,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.38 : 235,424.25 = 82,014.65 : x
  2. Step 2: Convert to fraction form
    156,945.38/235,424.25 = 82,014.65/x
  3. Step 3: Cross multiply
    156,945.38x = 235,424.25 × 82,014.65
  4. Step 4: Simplify right side
    156,945.38x = 19,308,236,288.14
  5. Step 5: Solve for x
    x = 19,308,236,288.14/156,945.38
  6. Step 6: Final answer
    x = 123,025.20

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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.