Home / 133,778.75-184,643.48-80,075.75

Finding the Fourth Proportional to 133,778.75, 184,643.48 and 80,075.75

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Solution

The fourth proportional to 133,778.75, 184,643.48 and 80,075.75 is: 110,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,778.75 : 184,643.48 = 80,075.75 : x
  2. Step 2: Convert to fraction form
    133,778.75/184,643.48 = 80,075.75/x
  3. Step 3: Cross multiply
    133,778.75x = 184,643.48 × 80,075.75
  4. Step 4: Simplify right side
    133,778.75x = 14,785,465,143.61
  5. Step 5: Solve for x
    x = 14,785,465,143.61/133,778.75
  6. Step 6: Final answer
    x = 110,521.78

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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.