Home / 193,829.02-290,447.50-81,447.80

Finding the Fourth Proportional to 193,829.02, 290,447.50 and 81,447.80

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Solution

The fourth proportional to 193,829.02, 290,447.50 and 81,447.80 is: 122,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,829.02 : 290,447.50 = 81,447.80 : x
  2. Step 2: Convert to fraction form
    193,829.02/290,447.50 = 81,447.80/x
  3. Step 3: Cross multiply
    193,829.02x = 290,447.50 × 81,447.80
  4. Step 4: Simplify right side
    193,829.02x = 23,656,309,890.50
  5. Step 5: Solve for x
    x = 23,656,309,890.50/193,829.02
  6. Step 6: Final answer
    x = 122,047.31

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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.