Home / 152,988.69-229,403.82-68,676.24

Finding the Fourth Proportional to 152,988.69, 229,403.82 and 68,676.24

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Solution

The fourth proportional to 152,988.69, 229,403.82 and 68,676.24 is: 102,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,988.69 : 229,403.82 = 68,676.24 : x
  2. Step 2: Convert to fraction form
    152,988.69/229,403.82 = 68,676.24/x
  3. Step 3: Cross multiply
    152,988.69x = 229,403.82 × 68,676.24
  4. Step 4: Simplify right side
    152,988.69x = 15,754,591,799.24
  5. Step 5: Solve for x
    x = 15,754,591,799.24/152,988.69
  6. Step 6: Final answer
    x = 102,978.80

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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.