Home / 175,021.20-261,875.70-115,972.20

Finding the Fourth Proportional to 175,021.20, 261,875.70 and 115,972.20

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Solution

The fourth proportional to 175,021.20, 261,875.70 and 115,972.20 is: 173,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,021.20 : 261,875.70 = 115,972.20 : x
  2. Step 2: Convert to fraction form
    175,021.20/261,875.70 = 115,972.20/x
  3. Step 3: Cross multiply
    175,021.20x = 261,875.70 × 115,972.20
  4. Step 4: Simplify right side
    175,021.20x = 30,370,301,055.54
  5. Step 5: Solve for x
    x = 30,370,301,055.54/175,021.20
  6. Step 6: Final answer
    x = 173,523.56

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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.