Home / 189,825.16-261,971.94-104,950.12

Finding the Fourth Proportional to 189,825.16, 261,971.94 and 104,950.12

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Solution

The fourth proportional to 189,825.16, 261,971.94 and 104,950.12 is: 144,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,825.16 : 261,971.94 = 104,950.12 : x
  2. Step 2: Convert to fraction form
    189,825.16/261,971.94 = 104,950.12/x
  3. Step 3: Cross multiply
    189,825.16x = 261,971.94 × 104,950.12
  4. Step 4: Simplify right side
    189,825.16x = 27,493,986,539.63
  5. Step 5: Solve for x
    x = 27,493,986,539.63/189,825.16
  6. Step 6: Final answer
    x = 144,838.47

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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.