Home / 199,145.11-274,921.81-134,953.47

Finding the Fourth Proportional to 199,145.11, 274,921.81 and 134,953.47

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Solution

The fourth proportional to 199,145.11, 274,921.81 and 134,953.47 is: 186,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,145.11 : 274,921.81 = 134,953.47 : x
  2. Step 2: Convert to fraction form
    199,145.11/274,921.81 = 134,953.47/x
  3. Step 3: Cross multiply
    199,145.11x = 274,921.81 × 134,953.47
  4. Step 4: Simplify right side
    199,145.11x = 37,101,652,238.18
  5. Step 5: Solve for x
    x = 37,101,652,238.18/199,145.11
  6. Step 6: Final answer
    x = 186,304.61

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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.