Home / 107,883.20-161,824.80-29,005.40

Finding the Fourth Proportional to 107,883.20, 161,824.80 and 29,005.40

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Solution

The fourth proportional to 107,883.20, 161,824.80 and 29,005.40 is: 43,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883.20 : 161,824.80 = 29,005.40 : x
  2. Step 2: Convert to fraction form
    107,883.20/161,824.80 = 29,005.40/x
  3. Step 3: Cross multiply
    107,883.20x = 161,824.80 × 29,005.40
  4. Step 4: Simplify right side
    107,883.20x = 4,693,793,053.92
  5. Step 5: Solve for x
    x = 4,693,793,053.92/107,883.20
  6. Step 6: Final answer
    x = 43,508.10

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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.