Home / 175,041.20-261,905.70-115,992.20

Finding the Fourth Proportional to 175,041.20, 261,905.70 and 115,992.20

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Solution

The fourth proportional to 175,041.20, 261,905.70 and 115,992.20 is: 173,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,041.20 : 261,905.70 = 115,992.20 : x
  2. Step 2: Convert to fraction form
    175,041.20/261,905.70 = 115,992.20/x
  3. Step 3: Cross multiply
    175,041.20x = 261,905.70 × 115,992.20
  4. Step 4: Simplify right side
    175,041.20x = 30,379,018,335.54
  5. Step 5: Solve for x
    x = 30,379,018,335.54/175,041.20
  6. Step 6: Final answer
    x = 173,553.53

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1.5x scale

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.