Home / 189,072.08-260,921.22-104,192.18

Finding the Fourth Proportional to 189,072.08, 260,921.22 and 104,192.18

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Solution

The fourth proportional to 189,072.08, 260,921.22 and 104,192.18 is: 143,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,072.08 : 260,921.22 = 104,192.18 : x
  2. Step 2: Convert to fraction form
    189,072.08/260,921.22 = 104,192.18/x
  3. Step 3: Cross multiply
    189,072.08x = 260,921.22 × 104,192.18
  4. Step 4: Simplify right side
    189,072.08x = 27,185,950,720.06
  5. Step 5: Solve for x
    x = 27,185,950,720.06/189,072.08
  6. Step 6: Final answer
    x = 143,786.17

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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.