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Finding the Fourth Proportional to 169,475.94, 233,868.87 and 92,993.31

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Solution

The fourth proportional to 169,475.94, 233,868.87 and 92,993.31 is: 128,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,475.94 : 233,868.87 = 92,993.31 : x
  2. Step 2: Convert to fraction form
    169,475.94/233,868.87 = 92,993.31/x
  3. Step 3: Cross multiply
    169,475.94x = 233,868.87 × 92,993.31
  4. Step 4: Simplify right side
    169,475.94x = 21,748,240,327.26
  5. Step 5: Solve for x
    x = 21,748,240,327.26/169,475.94
  6. Step 6: Final answer
    x = 128,326.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.