Home / 105,107.24-145,051.07-57,363.66

Finding the Fourth Proportional to 105,107.24, 145,051.07 and 57,363.66

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Solution

The fourth proportional to 105,107.24, 145,051.07 and 57,363.66 is: 79,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,107.24 : 145,051.07 = 57,363.66 : x
  2. Step 2: Convert to fraction form
    105,107.24/145,051.07 = 57,363.66/x
  3. Step 3: Cross multiply
    105,107.24x = 145,051.07 × 57,363.66
  4. Step 4: Simplify right side
    105,107.24x = 8,320,659,975.30
  5. Step 5: Solve for x
    x = 8,320,659,975.30/105,107.24
  6. Step 6: Final answer
    x = 79,163.53

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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.