Home / 99,368.78-149,006.39-29,234.12

Finding the Fourth Proportional to 99,368.78, 149,006.39 and 29,234.12

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Solution

The fourth proportional to 99,368.78, 149,006.39 and 29,234.12 is: 43,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,368.78 : 149,006.39 = 29,234.12 : x
  2. Step 2: Convert to fraction form
    99,368.78/149,006.39 = 29,234.12/x
  3. Step 3: Cross multiply
    99,368.78x = 149,006.39 × 29,234.12
  4. Step 4: Simplify right side
    99,368.78x = 4,356,069,794.82
  5. Step 5: Solve for x
    x = 4,356,069,794.82/99,368.78
  6. Step 6: Final answer
    x = 43,837.41

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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.