Home / 104,992.68-144,887.43-57,245.91

Finding the Fourth Proportional to 104,992.68, 144,887.43 and 57,245.91

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Solution

The fourth proportional to 104,992.68, 144,887.43 and 57,245.91 is: 78,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,992.68 : 144,887.43 = 57,245.91 : x
  2. Step 2: Convert to fraction form
    104,992.68/144,887.43 = 57,245.91/x
  3. Step 3: Cross multiply
    104,992.68x = 144,887.43 × 57,245.91
  4. Step 4: Simplify right side
    104,992.68x = 8,294,212,777.91
  5. Step 5: Solve for x
    x = 8,294,212,777.91/104,992.68
  6. Step 6: Final answer
    x = 78,998.01

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1.5x scale

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.