Home / 189,025.70-260,855.30-104,142.76

Finding the Fourth Proportional to 189,025.70, 260,855.30 and 104,142.76

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Solution

The fourth proportional to 189,025.70, 260,855.30 and 104,142.76 is: 143,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025.70 : 260,855.30 = 104,142.76 : x
  2. Step 2: Convert to fraction form
    189,025.70/260,855.30 = 104,142.76/x
  3. Step 3: Cross multiply
    189,025.70x = 260,855.30 × 104,142.76
  4. Step 4: Simplify right side
    189,025.70x = 27,166,190,510.85
  5. Step 5: Solve for x
    x = 27,166,190,510.85/189,025.70
  6. Step 6: Final answer
    x = 143,716.92

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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.