Home / 152,160.66-209,977.92-84,181.44

Finding the Fourth Proportional to 152,160.66, 209,977.92 and 84,181.44

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Solution

The fourth proportional to 152,160.66, 209,977.92 and 84,181.44 is: 116,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,160.66 : 209,977.92 = 84,181.44 : x
  2. Step 2: Convert to fraction form
    152,160.66/209,977.92 = 84,181.44/x
  3. Step 3: Cross multiply
    152,160.66x = 209,977.92 × 84,181.44
  4. Step 4: Simplify right side
    152,160.66x = 17,676,243,673.80
  5. Step 5: Solve for x
    x = 17,676,243,673.80/152,160.66
  6. Step 6: Final answer
    x = 116,168.29

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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.