Home / 133,392.25-184,082.75-72,961.57

Finding the Fourth Proportional to 133,392.25, 184,082.75 and 72,961.57

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Solution

The fourth proportional to 133,392.25, 184,082.75 and 72,961.57 is: 100,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.25 : 184,082.75 = 72,961.57 : x
  2. Step 2: Convert to fraction form
    133,392.25/184,082.75 = 72,961.57/x
  3. Step 3: Cross multiply
    133,392.25x = 184,082.75 × 72,961.57
  4. Step 4: Simplify right side
    133,392.25x = 13,430,965,887.99
  5. Step 5: Solve for x
    x = 13,430,965,887.99/133,392.25
  6. Step 6: Final answer
    x = 100,687.75

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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.