Home / 113,218.32-156,243.94-62,230.64

Finding the Fourth Proportional to 113,218.32, 156,243.94 and 62,230.64

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Solution

The fourth proportional to 113,218.32, 156,243.94 and 62,230.64 is: 85,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,218.32 : 156,243.94 = 62,230.64 : x
  2. Step 2: Convert to fraction form
    113,218.32/156,243.94 = 62,230.64/x
  3. Step 3: Cross multiply
    113,218.32x = 156,243.94 × 62,230.64
  4. Step 4: Simplify right side
    113,218.32x = 9,723,160,382.32
  5. Step 5: Solve for x
    x = 9,723,160,382.32/113,218.32
  6. Step 6: Final answer
    x = 85,879.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.