Home / 189,859.14-261,988.02-104,974.38

Finding the Fourth Proportional to 189,859.14, 261,988.02 and 104,974.38

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Solution

The fourth proportional to 189,859.14, 261,988.02 and 104,974.38 is: 144,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,859.14 : 261,988.02 = 104,974.38 : x
  2. Step 2: Convert to fraction form
    189,859.14/261,988.02 = 104,974.38/x
  3. Step 3: Cross multiply
    189,859.14x = 261,988.02 × 104,974.38
  4. Step 4: Simplify right side
    189,859.14x = 27,502,029,966.93
  5. Step 5: Solve for x
    x = 27,502,029,966.93/189,859.14
  6. Step 6: Final answer
    x = 144,854.92

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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.