Home / 120,792.79-181,192.97-57,619.77

Finding the Fourth Proportional to 120,792.79, 181,192.97 and 57,619.77

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Solution

The fourth proportional to 120,792.79, 181,192.97 and 57,619.77 is: 86,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,792.79 : 181,192.97 = 57,619.77 : x
  2. Step 2: Convert to fraction form
    120,792.79/181,192.97 = 57,619.77/x
  3. Step 3: Cross multiply
    120,792.79x = 181,192.97 × 57,619.77
  4. Step 4: Simplify right side
    120,792.79x = 10,440,297,257.02
  5. Step 5: Solve for x
    x = 10,440,297,257.02/120,792.79
  6. Step 6: Final answer
    x = 86,431.46

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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.