Home / 122,052.78-168,424.82-68,337.30

Finding the Fourth Proportional to 122,052.78, 168,424.82 and 68,337.30

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Solution

The fourth proportional to 122,052.78, 168,424.82 and 68,337.30 is: 94,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,052.78 : 168,424.82 = 68,337.30 : x
  2. Step 2: Convert to fraction form
    122,052.78/168,424.82 = 68,337.30/x
  3. Step 3: Cross multiply
    122,052.78x = 168,424.82 × 68,337.30
  4. Step 4: Simplify right side
    122,052.78x = 11,509,697,451.79
  5. Step 5: Solve for x
    x = 11,509,697,451.79/122,052.78
  6. Step 6: Final answer
    x = 94,300.99

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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.