Home / 113,290.99-156,343.36-62,305.94

Finding the Fourth Proportional to 113,290.99, 156,343.36 and 62,305.94

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Solution

The fourth proportional to 113,290.99, 156,343.36 and 62,305.94 is: 85,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,290.99 : 156,343.36 = 62,305.94 : x
  2. Step 2: Convert to fraction form
    113,290.99/156,343.36 = 62,305.94/x
  3. Step 3: Cross multiply
    113,290.99x = 156,343.36 × 62,305.94
  4. Step 4: Simplify right side
    113,290.99x = 9,741,120,007.56
  5. Step 5: Solve for x
    x = 9,741,120,007.56/113,290.99
  6. Step 6: Final answer
    x = 85,983.18

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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.