Home / 189,149.08-261,022.50-104,274.04

Finding the Fourth Proportional to 189,149.08, 261,022.50 and 104,274.04

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Solution

The fourth proportional to 189,149.08, 261,022.50 and 104,274.04 is: 143,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,149.08 : 261,022.50 = 104,274.04 : x
  2. Step 2: Convert to fraction form
    189,149.08/261,022.50 = 104,274.04/x
  3. Step 3: Cross multiply
    189,149.08x = 261,022.50 × 104,274.04
  4. Step 4: Simplify right side
    189,149.08x = 27,217,870,605.90
  5. Step 5: Solve for x
    x = 27,217,870,605.90/189,149.08
  6. Step 6: Final answer
    x = 143,896.39

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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.