Home / 131,466.24-197,199.36-120,061.44

Finding the Fourth Proportional to 131,466.24, 197,199.36 and 120,061.44

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Solution

The fourth proportional to 131,466.24, 197,199.36 and 120,061.44 is: 180,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,466.24 : 197,199.36 = 120,061.44 : x
  2. Step 2: Convert to fraction form
    131,466.24/197,199.36 = 120,061.44/x
  3. Step 3: Cross multiply
    131,466.24x = 197,199.36 × 120,061.44
  4. Step 4: Simplify right side
    131,466.24x = 23,676,039,128.68
  5. Step 5: Solve for x
    x = 23,676,039,128.68/131,466.24
  6. Step 6: Final answer
    x = 180,092.16

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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.