Home / 112,745.72-169,079.28-37,849.88

Finding the Fourth Proportional to 112,745.72, 169,079.28 and 37,849.88

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Solution

The fourth proportional to 112,745.72, 169,079.28 and 37,849.88 is: 56,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,745.72 : 169,079.28 = 37,849.88 : x
  2. Step 2: Convert to fraction form
    112,745.72/169,079.28 = 37,849.88/x
  3. Step 3: Cross multiply
    112,745.72x = 169,079.28 × 37,849.88
  4. Step 4: Simplify right side
    112,745.72x = 6,399,630,458.49
  5. Step 5: Solve for x
    x = 6,399,630,458.49/112,745.72
  6. Step 6: Final answer
    x = 56,761.63

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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.