Home / 81,800.23-122,703.08-22,630.95

Finding the Fourth Proportional to 81,800.23, 122,703.08 and 22,630.95

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Solution

The fourth proportional to 81,800.23, 122,703.08 and 22,630.95 is: 33,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,800.23 : 122,703.08 = 22,630.95 : x
  2. Step 2: Convert to fraction form
    81,800.23/122,703.08 = 22,630.95/x
  3. Step 3: Cross multiply
    81,800.23x = 122,703.08 × 22,630.95
  4. Step 4: Simplify right side
    81,800.23x = 2,776,887,268.33
  5. Step 5: Solve for x
    x = 2,776,887,268.33/81,800.23
  6. Step 6: Final answer
    x = 33,947.18

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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.