Home / 161,571.36-242,406.44-82,741.36

Finding the Fourth Proportional to 161,571.36, 242,406.44 and 82,741.36

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Solution

The fourth proportional to 161,571.36, 242,406.44 and 82,741.36 is: 124,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,571.36 : 242,406.44 = 82,741.36 : x
  2. Step 2: Convert to fraction form
    161,571.36/242,406.44 = 82,741.36/x
  3. Step 3: Cross multiply
    161,571.36x = 242,406.44 × 82,741.36
  4. Step 4: Simplify right side
    161,571.36x = 20,057,038,518.36
  5. Step 5: Solve for x
    x = 20,057,038,518.36/161,571.36
  6. Step 6: Final answer
    x = 124,137.34

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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.