Home / 99,636.45-149,350.86-43,461.47

Finding the Fourth Proportional to 99,636.45, 149,350.86 and 43,461.47

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Solution

The fourth proportional to 99,636.45, 149,350.86 and 43,461.47 is: 65,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636.45 : 149,350.86 = 43,461.47 : x
  2. Step 2: Convert to fraction form
    99,636.45/149,350.86 = 43,461.47/x
  3. Step 3: Cross multiply
    99,636.45x = 149,350.86 × 43,461.47
  4. Step 4: Simplify right side
    99,636.45x = 6,491,007,174.61
  5. Step 5: Solve for x
    x = 6,491,007,174.61/99,636.45
  6. Step 6: Final answer
    x = 65,146.91

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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.