Home / 161,952.01-243,001.82-83,121.59

Finding the Fourth Proportional to 161,952.01, 243,001.82 and 83,121.59

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Solution

The fourth proportional to 161,952.01, 243,001.82 and 83,121.59 is: 124,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,952.01 : 243,001.82 = 83,121.59 : x
  2. Step 2: Convert to fraction form
    161,952.01/243,001.82 = 83,121.59/x
  3. Step 3: Cross multiply
    161,952.01x = 243,001.82 × 83,121.59
  4. Step 4: Simplify right side
    161,952.01x = 20,198,698,466.60
  5. Step 5: Solve for x
    x = 20,198,698,466.60/161,952.01
  6. Step 6: Final answer
    x = 124,720.27

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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.