Home / 124,621.73-186,976.33-77,819.93

Finding the Fourth Proportional to 124,621.73, 186,976.33 and 77,819.93

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Solution

The fourth proportional to 124,621.73, 186,976.33 and 77,819.93 is: 116,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,621.73 : 186,976.33 = 77,819.93 : x
  2. Step 2: Convert to fraction form
    124,621.73/186,976.33 = 77,819.93/x
  3. Step 3: Cross multiply
    124,621.73x = 186,976.33 × 77,819.93
  4. Step 4: Simplify right side
    124,621.73x = 14,550,484,912.26
  5. Step 5: Solve for x
    x = 14,550,484,912.26/124,621.73
  6. Step 6: Final answer
    x = 116,757.21

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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.