Home / 107,992.17-161,862.09-81,252.24

Finding the Fourth Proportional to 107,992.17, 161,862.09 and 81,252.24

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Solution

The fourth proportional to 107,992.17, 161,862.09 and 81,252.24 is: 121,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,992.17 : 161,862.09 = 81,252.24 : x
  2. Step 2: Convert to fraction form
    107,992.17/161,862.09 = 81,252.24/x
  3. Step 3: Cross multiply
    107,992.17x = 161,862.09 × 81,252.24
  4. Step 4: Simplify right side
    107,992.17x = 13,151,657,383.58
  5. Step 5: Solve for x
    x = 13,151,657,383.58/107,992.17
  6. Step 6: Final answer
    x = 121,783.43

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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.