Home / 202,743.66-279,786.87-113,319.66

Finding the Fourth Proportional to 202,743.66, 279,786.87 and 113,319.66

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Solution

The fourth proportional to 202,743.66, 279,786.87 and 113,319.66 is: 156,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,743.66 : 279,786.87 = 113,319.66 : x
  2. Step 2: Convert to fraction form
    202,743.66/279,786.87 = 113,319.66/x
  3. Step 3: Cross multiply
    202,743.66x = 279,786.87 × 113,319.66
  4. Step 4: Simplify right side
    202,743.66x = 31,705,352,980.86
  5. Step 5: Solve for x
    x = 31,705,352,980.86/202,743.66
  6. Step 6: Final answer
    x = 156,381.48

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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.