Home / 202,165.20-279,077.67-130,580.15

Finding the Fourth Proportional to 202,165.20, 279,077.67 and 130,580.15

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Solution

The fourth proportional to 202,165.20, 279,077.67 and 130,580.15 is: 180,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,165.20 : 279,077.67 = 130,580.15 : x
  2. Step 2: Convert to fraction form
    202,165.20/279,077.67 = 130,580.15/x
  3. Step 3: Cross multiply
    202,165.20x = 279,077.67 × 130,580.15
  4. Step 4: Simplify right side
    202,165.20x = 36,442,002,614.86
  5. Step 5: Solve for x
    x = 36,442,002,614.86/202,165.20
  6. Step 6: Final answer
    x = 180,258.53

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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.