Home / 105,186.24-145,175.76-62,163.96

Finding the Fourth Proportional to 105,186.24, 145,175.76 and 62,163.96

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Solution

The fourth proportional to 105,186.24, 145,175.76 and 62,163.96 is: 85,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186.24 : 145,175.76 = 62,163.96 : x
  2. Step 2: Convert to fraction form
    105,186.24/145,175.76 = 62,163.96/x
  3. Step 3: Cross multiply
    105,186.24x = 145,175.76 × 62,163.96
  4. Step 4: Simplify right side
    105,186.24x = 9,024,700,137.61
  5. Step 5: Solve for x
    x = 9,024,700,137.61/105,186.24
  6. Step 6: Final answer
    x = 85,797.35

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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.