Home / 99,943.67-149,957.06-43,754.85

Finding the Fourth Proportional to 99,943.67, 149,957.06 and 43,754.85

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Solution

The fourth proportional to 99,943.67, 149,957.06 and 43,754.85 is: 65,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943.67 : 149,957.06 = 43,754.85 : x
  2. Step 2: Convert to fraction form
    99,943.67/149,957.06 = 43,754.85/x
  3. Step 3: Cross multiply
    99,943.67x = 149,957.06 × 43,754.85
  4. Step 4: Simplify right side
    99,943.67x = 6,561,348,447.97
  5. Step 5: Solve for x
    x = 6,561,348,447.97/99,943.67
  6. Step 6: Final answer
    x = 65,650.46

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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.