Home / 159,082.92-219,533.09-91,112.18

Finding the Fourth Proportional to 159,082.92, 219,533.09 and 91,112.18

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Solution

The fourth proportional to 159,082.92, 219,533.09 and 91,112.18 is: 125,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,082.92 : 219,533.09 = 91,112.18 : x
  2. Step 2: Convert to fraction form
    159,082.92/219,533.09 = 91,112.18/x
  3. Step 3: Cross multiply
    159,082.92x = 219,533.09 × 91,112.18
  4. Step 4: Simplify right side
    159,082.92x = 20,002,136,858.81
  5. Step 5: Solve for x
    x = 20,002,136,858.81/159,082.92
  6. Step 6: Final answer
    x = 125,734.03

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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.