Home / 105,571.92-145,686.36-60,249.12

Finding the Fourth Proportional to 105,571.92, 145,686.36 and 60,249.12

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Solution

The fourth proportional to 105,571.92, 145,686.36 and 60,249.12 is: 83,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.92 : 145,686.36 = 60,249.12 : x
  2. Step 2: Convert to fraction form
    105,571.92/145,686.36 = 60,249.12/x
  3. Step 3: Cross multiply
    105,571.92x = 145,686.36 × 60,249.12
  4. Step 4: Simplify right side
    105,571.92x = 8,777,474,986.00
  5. Step 5: Solve for x
    x = 8,777,474,986.00/105,571.92
  6. Step 6: Final answer
    x = 83,142.14

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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.