Home / 133,727.40-184,571.22-77,131.08

Finding the Fourth Proportional to 133,727.40, 184,571.22 and 77,131.08

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Solution

The fourth proportional to 133,727.40, 184,571.22 and 77,131.08 is: 106,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,727.40 : 184,571.22 = 77,131.08 : x
  2. Step 2: Convert to fraction form
    133,727.40/184,571.22 = 77,131.08/x
  3. Step 3: Cross multiply
    133,727.40x = 184,571.22 × 77,131.08
  4. Step 4: Simplify right side
    133,727.40x = 14,236,177,535.52
  5. Step 5: Solve for x
    x = 14,236,177,535.52/133,727.40
  6. Step 6: Final answer
    x = 106,456.70

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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.