Home / 188,911.38-283,477.77-135,545.83

Finding the Fourth Proportional to 188,911.38, 283,477.77 and 135,545.83

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Solution

The fourth proportional to 188,911.38, 283,477.77 and 135,545.83 is: 203,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,911.38 : 283,477.77 = 135,545.83 : x
  2. Step 2: Convert to fraction form
    188,911.38/283,477.77 = 135,545.83/x
  3. Step 3: Cross multiply
    188,911.38x = 283,477.77 × 135,545.83
  4. Step 4: Simplify right side
    188,911.38x = 38,424,229,621.20
  5. Step 5: Solve for x
    x = 38,424,229,621.20/188,911.38
  6. Step 6: Final answer
    x = 203,398.17

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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.