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Finding the Fourth Proportional to 85,269.51, 127,904.18 and 22,940.01

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Solution

The fourth proportional to 85,269.51, 127,904.18 and 22,940.01 is: 34,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.51 : 127,904.18 = 22,940.01 : x
  2. Step 2: Convert to fraction form
    85,269.51/127,904.18 = 22,940.01/x
  3. Step 3: Cross multiply
    85,269.51x = 127,904.18 × 22,940.01
  4. Step 4: Simplify right side
    85,269.51x = 2,934,123,053.54
  5. Step 5: Solve for x
    x = 2,934,123,053.54/85,269.51
  6. Step 6: Final answer
    x = 34,409.99

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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.