Home / 146,647.29-202,348.62-85,406.43

Finding the Fourth Proportional to 146,647.29, 202,348.62 and 85,406.43

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Solution

The fourth proportional to 146,647.29, 202,348.62 and 85,406.43 is: 117,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647.29 : 202,348.62 = 85,406.43 : x
  2. Step 2: Convert to fraction form
    146,647.29/202,348.62 = 85,406.43/x
  3. Step 3: Cross multiply
    146,647.29x = 202,348.62 × 85,406.43
  4. Step 4: Simplify right side
    146,647.29x = 17,281,873,249.63
  5. Step 5: Solve for x
    x = 17,281,873,249.63/146,647.29
  6. Step 6: Final answer
    x = 117,846.52

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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.