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Finding the Fourth Proportional to 188,910.94, 283,477.12 and 135,545.40

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Solution

The fourth proportional to 188,910.94, 283,477.12 and 135,545.40 is: 203,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,910.94 : 283,477.12 = 135,545.40 : x
  2. Step 2: Convert to fraction form
    188,910.94/283,477.12 = 135,545.40/x
  3. Step 3: Cross multiply
    188,910.94x = 283,477.12 × 135,545.40
  4. Step 4: Simplify right side
    188,910.94x = 38,424,019,282.38
  5. Step 5: Solve for x
    x = 38,424,019,282.38/188,910.94
  6. Step 6: Final answer
    x = 203,397.54

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1.5x scale

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.