Home / 189,216.13-260,846.94-148,859.82

Finding the Fourth Proportional to 189,216.13, 260,846.94 and 148,859.82

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Solution

The fourth proportional to 189,216.13, 260,846.94 and 148,859.82 is: 205,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,216.13 : 260,846.94 = 148,859.82 : x
  2. Step 2: Convert to fraction form
    189,216.13/260,846.94 = 148,859.82/x
  3. Step 3: Cross multiply
    189,216.13x = 260,846.94 × 148,859.82
  4. Step 4: Simplify right side
    189,216.13x = 38,829,628,535.95
  5. Step 5: Solve for x
    x = 38,829,628,535.95/189,216.13
  6. Step 6: Final answer
    x = 205,213.10

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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.