Home / 107,966.52-161,968.92-51,908.24

Finding the Fourth Proportional to 107,966.52, 161,968.92 and 51,908.24

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Solution

The fourth proportional to 107,966.52, 161,968.92 and 51,908.24 is: 77,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.52 : 161,968.92 = 51,908.24 : x
  2. Step 2: Convert to fraction form
    107,966.52/161,968.92 = 51,908.24/x
  3. Step 3: Cross multiply
    107,966.52x = 161,968.92 × 51,908.24
  4. Step 4: Simplify right side
    107,966.52x = 8,407,521,782.17
  5. Step 5: Solve for x
    x = 8,407,521,782.17/107,966.52
  6. Step 6: Final answer
    x = 77,871.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.