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Finding the Fourth Proportional to 146,793.08, 202,571 and 86,367.62

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Solution

The fourth proportional to 146,793.08, 202,571 and 86,367.62 is: 119,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,793.08 : 202,571 = 86,367.62 : x
  2. Step 2: Convert to fraction form
    146,793.08/202,571 = 86,367.62/x
  3. Step 3: Cross multiply
    146,793.08x = 202,571 × 86,367.62
  4. Step 4: Simplify right side
    146,793.08x = 17,495,575,151.02
  5. Step 5: Solve for x
    x = 17,495,575,151.02/146,793.08
  6. Step 6: Final answer
    x = 119,185.29

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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.