Home / 122,727.31-183,795.71-69,976.87

Finding the Fourth Proportional to 122,727.31, 183,795.71 and 69,976.87

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Solution

The fourth proportional to 122,727.31, 183,795.71 and 69,976.87 is: 104,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,727.31 : 183,795.71 = 69,976.87 : x
  2. Step 2: Convert to fraction form
    122,727.31/183,795.71 = 69,976.87/x
  3. Step 3: Cross multiply
    122,727.31x = 183,795.71 × 69,976.87
  4. Step 4: Simplify right side
    122,727.31x = 12,861,447,586.25
  5. Step 5: Solve for x
    x = 12,861,447,586.25/122,727.31
  6. Step 6: Final answer
    x = 104,796.95

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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.