Home / 160,469.10-221,450.79-87,875.04

Finding the Fourth Proportional to 160,469.10, 221,450.79 and 87,875.04

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Solution

The fourth proportional to 160,469.10, 221,450.79 and 87,875.04 is: 121,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,469.10 : 221,450.79 = 87,875.04 : x
  2. Step 2: Convert to fraction form
    160,469.10/221,450.79 = 87,875.04/x
  3. Step 3: Cross multiply
    160,469.10x = 221,450.79 × 87,875.04
  4. Step 4: Simplify right side
    160,469.10x = 19,459,997,029.28
  5. Step 5: Solve for x
    x = 19,459,997,029.28/160,469.10
  6. Step 6: Final answer
    x = 121,269.43

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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.