Home / 194,147.78-268,006.60-130,522.48

Finding the Fourth Proportional to 194,147.78, 268,006.60 and 130,522.48

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Solution

The fourth proportional to 194,147.78, 268,006.60 and 130,522.48 is: 180,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,147.78 : 268,006.60 = 130,522.48 : x
  2. Step 2: Convert to fraction form
    194,147.78/268,006.60 = 130,522.48/x
  3. Step 3: Cross multiply
    194,147.78x = 268,006.60 × 130,522.48
  4. Step 4: Simplify right side
    194,147.78x = 34,980,886,088.37
  5. Step 5: Solve for x
    x = 34,980,886,088.37/194,147.78
  6. Step 6: Final answer
    x = 180,176.60

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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.