Home / 188,228.92-282,170.10-81,545.84

Finding the Fourth Proportional to 188,228.92, 282,170.10 and 81,545.84

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Solution

The fourth proportional to 188,228.92, 282,170.10 and 81,545.84 is: 122,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,228.92 : 282,170.10 = 81,545.84 : x
  2. Step 2: Convert to fraction form
    188,228.92/282,170.10 = 81,545.84/x
  3. Step 3: Cross multiply
    188,228.92x = 282,170.10 × 81,545.84
  4. Step 4: Simplify right side
    188,228.92x = 23,009,797,827.38
  5. Step 5: Solve for x
    x = 23,009,797,827.38/188,228.92
  6. Step 6: Final answer
    x = 122,243.69

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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.