Home / 122,540.82-183,822.59-47,666.67

Finding the Fourth Proportional to 122,540.82, 183,822.59 and 47,666.67

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Solution

The fourth proportional to 122,540.82, 183,822.59 and 47,666.67 is: 71,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,540.82 : 183,822.59 = 47,666.67 : x
  2. Step 2: Convert to fraction form
    122,540.82/183,822.59 = 47,666.67/x
  3. Step 3: Cross multiply
    122,540.82x = 183,822.59 × 47,666.67
  4. Step 4: Simplify right side
    122,540.82x = 8,762,210,736.08
  5. Step 5: Solve for x
    x = 8,762,210,736.08/122,540.82
  6. Step 6: Final answer
    x = 71,504.42

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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.