Home / 193,042.80-289,564.20-130,057.20

Finding the Fourth Proportional to 193,042.80, 289,564.20 and 130,057.20

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Solution

The fourth proportional to 193,042.80, 289,564.20 and 130,057.20 is: 195,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,042.80 : 289,564.20 = 130,057.20 : x
  2. Step 2: Convert to fraction form
    193,042.80/289,564.20 = 130,057.20/x
  3. Step 3: Cross multiply
    193,042.80x = 289,564.20 × 130,057.20
  4. Step 4: Simplify right side
    193,042.80x = 37,659,909,072.24
  5. Step 5: Solve for x
    x = 37,659,909,072.24/193,042.80
  6. Step 6: Final answer
    x = 195,085.80

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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.