Home / 122,368.70-183,429.12-82,929.80

Finding the Fourth Proportional to 122,368.70, 183,429.12 and 82,929.80

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Solution

The fourth proportional to 122,368.70, 183,429.12 and 82,929.80 is: 124,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,368.70 : 183,429.12 = 82,929.80 : x
  2. Step 2: Convert to fraction form
    122,368.70/183,429.12 = 82,929.80/x
  3. Step 3: Cross multiply
    122,368.70x = 183,429.12 × 82,929.80
  4. Step 4: Simplify right side
    122,368.70x = 15,211,740,235.78
  5. Step 5: Solve for x
    x = 15,211,740,235.78/122,368.70
  6. Step 6: Final answer
    x = 124,310.71

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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.