Home / 189,444.15-261,414.29-104,555.75

Finding the Fourth Proportional to 189,444.15, 261,414.29 and 104,555.75

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Solution

The fourth proportional to 189,444.15, 261,414.29 and 104,555.75 is: 144,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,444.15 : 261,414.29 = 104,555.75 : x
  2. Step 2: Convert to fraction form
    189,444.15/261,414.29 = 104,555.75/x
  3. Step 3: Cross multiply
    189,444.15x = 261,414.29 × 104,555.75
  4. Step 4: Simplify right side
    189,444.15x = 27,332,366,105.99
  5. Step 5: Solve for x
    x = 27,332,366,105.99/189,444.15
  6. Step 6: Final answer
    x = 144,276.64

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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.