Home / 122,383.28-183,468-47,451.80

Finding the Fourth Proportional to 122,383.28, 183,468 and 47,451.80

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Solution

The fourth proportional to 122,383.28, 183,468 and 47,451.80 is: 71,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,383.28 : 183,468 = 47,451.80 : x
  2. Step 2: Convert to fraction form
    122,383.28/183,468 = 47,451.80/x
  3. Step 3: Cross multiply
    122,383.28x = 183,468 × 47,451.80
  4. Step 4: Simplify right side
    122,383.28x = 8,705,886,842.40
  5. Step 5: Solve for x
    x = 8,705,886,842.40/122,383.28
  6. Step 6: Final answer
    x = 71,136.24

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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.