Home / 81,284.01-121,913.69-22,124.29

Finding the Fourth Proportional to 81,284.01, 121,913.69 and 22,124.29

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Solution

The fourth proportional to 81,284.01, 121,913.69 and 22,124.29 is: 33,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,284.01 : 121,913.69 = 22,124.29 : x
  2. Step 2: Convert to fraction form
    81,284.01/121,913.69 = 22,124.29/x
  3. Step 3: Cross multiply
    81,284.01x = 121,913.69 × 22,124.29
  4. Step 4: Simplify right side
    81,284.01x = 2,697,253,832.53
  5. Step 5: Solve for x
    x = 2,697,253,832.53/81,284.01
  6. Step 6: Final answer
    x = 33,183.08

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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.