Home / 130,556.44-180,196.86-73,999

Finding the Fourth Proportional to 130,556.44, 180,196.86 and 73,999

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Solution

The fourth proportional to 130,556.44, 180,196.86 and 73,999 is: 102,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,556.44 : 180,196.86 = 73,999 : x
  2. Step 2: Convert to fraction form
    130,556.44/180,196.86 = 73,999/x
  3. Step 3: Cross multiply
    130,556.44x = 180,196.86 × 73,999
  4. Step 4: Simplify right side
    130,556.44x = 13,334,387,443.14
  5. Step 5: Solve for x
    x = 13,334,387,443.14/130,556.44
  6. Step 6: Final answer
    x = 102,135.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.