Home / 107,601.90-161,189.01-84,118.38

Finding the Fourth Proportional to 107,601.90, 161,189.01 and 84,118.38

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Solution

The fourth proportional to 107,601.90, 161,189.01 and 84,118.38 is: 126,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,601.90 : 161,189.01 = 84,118.38 : x
  2. Step 2: Convert to fraction form
    107,601.90/161,189.01 = 84,118.38/x
  3. Step 3: Cross multiply
    107,601.90x = 161,189.01 × 84,118.38
  4. Step 4: Simplify right side
    107,601.90x = 13,558,958,395.00
  5. Step 5: Solve for x
    x = 13,558,958,395.00/107,601.90
  6. Step 6: Final answer
    x = 126,010.40

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1.5x scale

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.