Home / 147,218.22-220,822.62-61,874.29

Finding the Fourth Proportional to 147,218.22, 220,822.62 and 61,874.29

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Solution

The fourth proportional to 147,218.22, 220,822.62 and 61,874.29 is: 92,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.22 : 220,822.62 = 61,874.29 : x
  2. Step 2: Convert to fraction form
    147,218.22/220,822.62 = 61,874.29/x
  3. Step 3: Cross multiply
    147,218.22x = 220,822.62 × 61,874.29
  4. Step 4: Simplify right side
    147,218.22x = 13,663,242,828.44
  5. Step 5: Solve for x
    x = 13,663,242,828.44/147,218.22
  6. Step 6: Final answer
    x = 92,809.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.