Home / 122,732.76-183,910.44-72,713.36

Finding the Fourth Proportional to 122,732.76, 183,910.44 and 72,713.36

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Solution

The fourth proportional to 122,732.76, 183,910.44 and 72,713.36 is: 108,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,732.76 : 183,910.44 = 72,713.36 : x
  2. Step 2: Convert to fraction form
    122,732.76/183,910.44 = 72,713.36/x
  3. Step 3: Cross multiply
    122,732.76x = 183,910.44 × 72,713.36
  4. Step 4: Simplify right side
    122,732.76x = 13,372,746,031.48
  5. Step 5: Solve for x
    x = 13,372,746,031.48/122,732.76
  6. Step 6: Final answer
    x = 108,958.24

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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.