Home / 282,132.30-422,872.43-130,011.36

Finding the Fourth Proportional to 282,132.30, 422,872.43 and 130,011.36

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Solution

The fourth proportional to 282,132.30, 422,872.43 and 130,011.36 is: 194,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,132.30 : 422,872.43 = 130,011.36 : x
  2. Step 2: Convert to fraction form
    282,132.30/422,872.43 = 130,011.36/x
  3. Step 3: Cross multiply
    282,132.30x = 422,872.43 × 130,011.36
  4. Step 4: Simplify right side
    282,132.30x = 54,978,219,080.75
  5. Step 5: Solve for x
    x = 54,978,219,080.75/282,132.30
  6. Step 6: Final answer
    x = 194,866.80

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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.