Home / 115,029.23-172,571.48-36,143.39

Finding the Fourth Proportional to 115,029.23, 172,571.48 and 36,143.39

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Solution

The fourth proportional to 115,029.23, 172,571.48 and 36,143.39 is: 54,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,029.23 : 172,571.48 = 36,143.39 : x
  2. Step 2: Convert to fraction form
    115,029.23/172,571.48 = 36,143.39/x
  3. Step 3: Cross multiply
    115,029.23x = 172,571.48 × 36,143.39
  4. Step 4: Simplify right side
    115,029.23x = 6,237,317,260.94
  5. Step 5: Solve for x
    x = 6,237,317,260.94/115,029.23
  6. Step 6: Final answer
    x = 54,223.76

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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.