Home / 282,451.49-423,676.88-72,089.43

Finding the Fourth Proportional to 282,451.49, 423,676.88 and 72,089.43

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Solution

The fourth proportional to 282,451.49, 423,676.88 and 72,089.43 is: 108,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,451.49 : 423,676.88 = 72,089.43 : x
  2. Step 2: Convert to fraction form
    282,451.49/423,676.88 = 72,089.43/x
  3. Step 3: Cross multiply
    282,451.49x = 423,676.88 × 72,089.43
  4. Step 4: Simplify right side
    282,451.49x = 30,542,623,104.48
  5. Step 5: Solve for x
    x = 30,542,623,104.48/282,451.49
  6. Step 6: Final answer
    x = 108,134.05

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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.