Home / 107,992.40-161,987.64-29,100.08

Finding the Fourth Proportional to 107,992.40, 161,987.64 and 29,100.08

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Solution

The fourth proportional to 107,992.40, 161,987.64 and 29,100.08 is: 43,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,992.40 : 161,987.64 = 29,100.08 : x
  2. Step 2: Convert to fraction form
    107,992.40/161,987.64 = 29,100.08/x
  3. Step 3: Cross multiply
    107,992.40x = 161,987.64 × 29,100.08
  4. Step 4: Simplify right side
    107,992.40x = 4,713,853,283.01
  5. Step 5: Solve for x
    x = 4,713,853,283.01/107,992.40
  6. Step 6: Final answer
    x = 43,649.86

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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.