Home / 193,030.80-289,546.20-130,045.20

Finding the Fourth Proportional to 193,030.80, 289,546.20 and 130,045.20

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Solution

The fourth proportional to 193,030.80, 289,546.20 and 130,045.20 is: 195,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,030.80 : 289,546.20 = 130,045.20 : x
  2. Step 2: Convert to fraction form
    193,030.80/289,546.20 = 130,045.20/x
  3. Step 3: Cross multiply
    193,030.80x = 289,546.20 × 130,045.20
  4. Step 4: Simplify right side
    193,030.80x = 37,654,093,488.24
  5. Step 5: Solve for x
    x = 37,654,093,488.24/193,030.80
  6. Step 6: Final answer
    x = 195,067.80

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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.