Home / 122,168.59-168,576.99-68,440.39

Finding the Fourth Proportional to 122,168.59, 168,576.99 and 68,440.39

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Solution

The fourth proportional to 122,168.59, 168,576.99 and 68,440.39 is: 94,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168.59 : 168,576.99 = 68,440.39 : x
  2. Step 2: Convert to fraction form
    122,168.59/168,576.99 = 68,440.39/x
  3. Step 3: Cross multiply
    122,168.59x = 168,576.99 × 68,440.39
  4. Step 4: Simplify right side
    122,168.59x = 11,537,474,940.63
  5. Step 5: Solve for x
    x = 11,537,474,940.63/122,168.59
  6. Step 6: Final answer
    x = 94,438.96

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1.5x scale

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.