Home / 99,747.84-149,538.96-40,611.36

Finding the Fourth Proportional to 99,747.84, 149,538.96 and 40,611.36

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Solution

The fourth proportional to 99,747.84, 149,538.96 and 40,611.36 is: 60,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.84 : 149,538.96 = 40,611.36 : x
  2. Step 2: Convert to fraction form
    99,747.84/149,538.96 = 40,611.36/x
  3. Step 3: Cross multiply
    99,747.84x = 149,538.96 × 40,611.36
  4. Step 4: Simplify right side
    99,747.84x = 6,072,980,538.59
  5. Step 5: Solve for x
    x = 6,072,980,538.59/99,747.84
  6. Step 6: Final answer
    x = 60,883.33

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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.