Home / 122,619.07-183,853.33-47,651.68

Finding the Fourth Proportional to 122,619.07, 183,853.33 and 47,651.68

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Solution

The fourth proportional to 122,619.07, 183,853.33 and 47,651.68 is: 71,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,619.07 : 183,853.33 = 47,651.68 : x
  2. Step 2: Convert to fraction form
    122,619.07/183,853.33 = 47,651.68/x
  3. Step 3: Cross multiply
    122,619.07x = 183,853.33 × 47,651.68
  4. Step 4: Simplify right side
    122,619.07x = 8,760,919,124.61
  5. Step 5: Solve for x
    x = 8,760,919,124.61/122,619.07
  6. Step 6: Final answer
    x = 71,448.26

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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.