Home / 163,643.52-225,717-106,180.16

Finding the Fourth Proportional to 163,643.52, 225,717 and 106,180.16

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Solution

The fourth proportional to 163,643.52, 225,717 and 106,180.16 is: 146,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,643.52 : 225,717 = 106,180.16 : x
  2. Step 2: Convert to fraction form
    163,643.52/225,717 = 106,180.16/x
  3. Step 3: Cross multiply
    163,643.52x = 225,717 × 106,180.16
  4. Step 4: Simplify right side
    163,643.52x = 23,966,667,174.72
  5. Step 5: Solve for x
    x = 23,966,667,174.72/163,643.52
  6. Step 6: Final answer
    x = 146,456.56

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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.