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Finding the Fourth Proportional to 146,755.54, 202,523.52 and 86,328.64

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Solution

The fourth proportional to 146,755.54, 202,523.52 and 86,328.64 is: 119,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,755.54 : 202,523.52 = 86,328.64 : x
  2. Step 2: Convert to fraction form
    146,755.54/202,523.52 = 86,328.64/x
  3. Step 3: Cross multiply
    146,755.54x = 202,523.52 × 86,328.64
  4. Step 4: Simplify right side
    146,755.54x = 17,483,580,049.61
  5. Step 5: Solve for x
    x = 17,483,580,049.61/146,755.54
  6. Step 6: Final answer
    x = 119,134.04

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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.