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Finding the Fourth Proportional to 169,504, 233,915.52 and 94,064.64

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Solution

The fourth proportional to 169,504, 233,915.52 and 94,064.64 is: 129,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,504 : 233,915.52 = 94,064.64 : x
  2. Step 2: Convert to fraction form
    169,504/233,915.52 = 94,064.64/x
  3. Step 3: Cross multiply
    169,504x = 233,915.52 × 94,064.64
  4. Step 4: Simplify right side
    169,504x = 22,003,179,179.21
  5. Step 5: Solve for x
    x = 22,003,179,179.21/169,504
  6. Step 6: Final answer
    x = 129,809.20

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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.