Home / 99,578.26-149,312.31-39,545.92

Finding the Fourth Proportional to 99,578.26, 149,312.31 and 39,545.92

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Solution

The fourth proportional to 99,578.26, 149,312.31 and 39,545.92 is: 59,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,578.26 : 149,312.31 = 39,545.92 : x
  2. Step 2: Convert to fraction form
    99,578.26/149,312.31 = 39,545.92/x
  3. Step 3: Cross multiply
    99,578.26x = 149,312.31 × 39,545.92
  4. Step 4: Simplify right side
    99,578.26x = 5,904,692,704.62
  5. Step 5: Solve for x
    x = 5,904,692,704.62/99,578.26
  6. Step 6: Final answer
    x = 59,297.01

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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.