Home / 133,422.52-184,121.04-72,991.66

Finding the Fourth Proportional to 133,422.52, 184,121.04 and 72,991.66

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Solution

The fourth proportional to 133,422.52, 184,121.04 and 72,991.66 is: 100,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,422.52 : 184,121.04 = 72,991.66 : x
  2. Step 2: Convert to fraction form
    133,422.52/184,121.04 = 72,991.66/x
  3. Step 3: Cross multiply
    133,422.52x = 184,121.04 × 72,991.66
  4. Step 4: Simplify right side
    133,422.52x = 13,439,300,350.53
  5. Step 5: Solve for x
    x = 13,439,300,350.53/133,422.52
  6. Step 6: Final answer
    x = 100,727.38

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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.