Home / 81,381.23-122,070.59-22,216.73

Finding the Fourth Proportional to 81,381.23, 122,070.59 and 22,216.73

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Solution

The fourth proportional to 81,381.23, 122,070.59 and 22,216.73 is: 33,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,381.23 : 122,070.59 = 22,216.73 : x
  2. Step 2: Convert to fraction form
    81,381.23/122,070.59 = 22,216.73/x
  3. Step 3: Cross multiply
    81,381.23x = 122,070.59 × 22,216.73
  4. Step 4: Simplify right side
    81,381.23x = 2,712,009,512.46
  5. Step 5: Solve for x
    x = 2,712,009,512.46/81,381.23
  6. Step 6: Final answer
    x = 33,324.75

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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.