Home / 183,453.48-275,194.80-78,273.36

Finding the Fourth Proportional to 183,453.48, 275,194.80 and 78,273.36

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Solution

The fourth proportional to 183,453.48, 275,194.80 and 78,273.36 is: 117,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,453.48 : 275,194.80 = 78,273.36 : x
  2. Step 2: Convert to fraction form
    183,453.48/275,194.80 = 78,273.36/x
  3. Step 3: Cross multiply
    183,453.48x = 275,194.80 × 78,273.36
  4. Step 4: Simplify right side
    183,453.48x = 21,540,421,650.53
  5. Step 5: Solve for x
    x = 21,540,421,650.53/183,453.48
  6. Step 6: Final answer
    x = 117,416.26

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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.