Home / 189,185.04-261,087.12-104,302

Finding the Fourth Proportional to 189,185.04, 261,087.12 and 104,302

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Solution

The fourth proportional to 189,185.04, 261,087.12 and 104,302 is: 143,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,185.04 : 261,087.12 = 104,302 : x
  2. Step 2: Convert to fraction form
    189,185.04/261,087.12 = 104,302/x
  3. Step 3: Cross multiply
    189,185.04x = 261,087.12 × 104,302
  4. Step 4: Simplify right side
    189,185.04x = 27,231,908,790.24
  5. Step 5: Solve for x
    x = 27,231,908,790.24/189,185.04
  6. Step 6: Final answer
    x = 143,943.25

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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.