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Finding the Fourth Proportional to 169,982.30, 234,575.80 and 94,530.80

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Solution

The fourth proportional to 169,982.30, 234,575.80 and 94,530.80 is: 130,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,982.30 : 234,575.80 = 94,530.80 : x
  2. Step 2: Convert to fraction form
    169,982.30/234,575.80 = 94,530.80/x
  3. Step 3: Cross multiply
    169,982.30x = 234,575.80 × 94,530.80
  4. Step 4: Simplify right side
    169,982.30x = 22,174,637,065.26
  5. Step 5: Solve for x
    x = 22,174,637,065.26/169,982.30
  6. Step 6: Final answer
    x = 130,452.63

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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.