Home / 172,121.11-237,545.65-104,175.48

Finding the Fourth Proportional to 172,121.11, 237,545.65 and 104,175.48

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Solution

The fourth proportional to 172,121.11, 237,545.65 and 104,175.48 is: 143,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,121.11 : 237,545.65 = 104,175.48 : x
  2. Step 2: Convert to fraction form
    172,121.11/237,545.65 = 104,175.48/x
  3. Step 3: Cross multiply
    172,121.11x = 237,545.65 × 104,175.48
  4. Step 4: Simplify right side
    172,121.11x = 24,746,430,995.92
  5. Step 5: Solve for x
    x = 24,746,430,995.92/172,121.11
  6. Step 6: Final answer
    x = 143,773.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.