Home / 104,287.79-143,917.22-56,541.33

Finding the Fourth Proportional to 104,287.79, 143,917.22 and 56,541.33

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Solution

The fourth proportional to 104,287.79, 143,917.22 and 56,541.33 is: 78,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,287.79 : 143,917.22 = 56,541.33 : x
  2. Step 2: Convert to fraction form
    104,287.79/143,917.22 = 56,541.33/x
  3. Step 3: Cross multiply
    104,287.79x = 143,917.22 × 56,541.33
  4. Step 4: Simplify right side
    104,287.79x = 8,137,271,028.70
  5. Step 5: Solve for x
    x = 8,137,271,028.70/104,287.79
  6. Step 6: Final answer
    x = 78,027.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.