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Finding the Fourth Proportional to 122,545.92, 183,976.31 and 94,483.80

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Solution

The fourth proportional to 122,545.92, 183,976.31 and 94,483.80 is: 141,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,545.92 : 183,976.31 = 94,483.80 : x
  2. Step 2: Convert to fraction form
    122,545.92/183,976.31 = 94,483.80/x
  3. Step 3: Cross multiply
    122,545.92x = 183,976.31 × 94,483.80
  4. Step 4: Simplify right side
    122,545.92x = 17,382,781,450.58
  5. Step 5: Solve for x
    x = 17,382,781,450.58/122,545.92
  6. Step 6: Final answer
    x = 141,847.08

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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.