Home / 189,455.88-261,449.13-104,572.96

Finding the Fourth Proportional to 189,455.88, 261,449.13 and 104,572.96

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Solution

The fourth proportional to 189,455.88, 261,449.13 and 104,572.96 is: 144,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,455.88 : 261,449.13 = 104,572.96 : x
  2. Step 2: Convert to fraction form
    189,455.88/261,449.13 = 104,572.96/x
  3. Step 3: Cross multiply
    189,455.88x = 261,449.13 × 104,572.96
  4. Step 4: Simplify right side
    189,455.88x = 27,340,509,413.52
  5. Step 5: Solve for x
    x = 27,340,509,413.52/189,455.88
  6. Step 6: Final answer
    x = 144,310.69

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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.