Home / 189,151.32-261,030.64-104,271.44

Finding the Fourth Proportional to 189,151.32, 261,030.64 and 104,271.44

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Solution

The fourth proportional to 189,151.32, 261,030.64 and 104,271.44 is: 143,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,151.32 : 261,030.64 = 104,271.44 : x
  2. Step 2: Convert to fraction form
    189,151.32/261,030.64 = 104,271.44/x
  3. Step 3: Cross multiply
    189,151.32x = 261,030.64 × 104,271.44
  4. Step 4: Simplify right side
    189,151.32x = 27,218,040,716.92
  5. Step 5: Solve for x
    x = 27,218,040,716.92/189,151.32
  6. Step 6: Final answer
    x = 143,895.59

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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.