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Finding the Fourth Proportional to 167,283.62, 230,845.17 and 90,801.08

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Solution

The fourth proportional to 167,283.62, 230,845.17 and 90,801.08 is: 125,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,283.62 : 230,845.17 = 90,801.08 : x
  2. Step 2: Convert to fraction form
    167,283.62/230,845.17 = 90,801.08/x
  3. Step 3: Cross multiply
    167,283.62x = 230,845.17 × 90,801.08
  4. Step 4: Simplify right side
    167,283.62x = 20,960,989,594.56
  5. Step 5: Solve for x
    x = 20,960,989,594.56/167,283.62
  6. Step 6: Final answer
    x = 125,302.11

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1.5x scale

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.