Home / 81,458.06-122,187.18-22,294.24

Finding the Fourth Proportional to 81,458.06, 122,187.18 and 22,294.24

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Solution

The fourth proportional to 81,458.06, 122,187.18 and 22,294.24 is: 33,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458.06 : 122,187.18 = 22,294.24 : x
  2. Step 2: Convert to fraction form
    81,458.06/122,187.18 = 22,294.24/x
  3. Step 3: Cross multiply
    81,458.06x = 122,187.18 × 22,294.24
  4. Step 4: Simplify right side
    81,458.06x = 2,724,070,315.84
  5. Step 5: Solve for x
    x = 2,724,070,315.84/81,458.06
  6. Step 6: Final answer
    x = 33,441.38

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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.