Home / 146,545.82-219,703.90-57,865.70

Finding the Fourth Proportional to 146,545.82, 219,703.90 and 57,865.70

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Solution

The fourth proportional to 146,545.82, 219,703.90 and 57,865.70 is: 86,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,545.82 : 219,703.90 = 57,865.70 : x
  2. Step 2: Convert to fraction form
    146,545.82/219,703.90 = 57,865.70/x
  3. Step 3: Cross multiply
    146,545.82x = 219,703.90 × 57,865.70
  4. Step 4: Simplify right side
    146,545.82x = 12,713,320,370.83
  5. Step 5: Solve for x
    x = 12,713,320,370.83/146,545.82
  6. Step 6: Final answer
    x = 86,753.21

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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.