Home / 154,230.21-212,825.97-93,792.51

Finding the Fourth Proportional to 154,230.21, 212,825.97 and 93,792.51

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Solution

The fourth proportional to 154,230.21, 212,825.97 and 93,792.51 is: 129,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,230.21 : 212,825.97 = 93,792.51 : x
  2. Step 2: Convert to fraction form
    154,230.21/212,825.97 = 93,792.51/x
  3. Step 3: Cross multiply
    154,230.21x = 212,825.97 × 93,792.51
  4. Step 4: Simplify right side
    154,230.21x = 19,961,481,919.48
  5. Step 5: Solve for x
    x = 19,961,481,919.48/154,230.21
  6. Step 6: Final answer
    x = 129,426.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.