Home / 194,146.78-268,005.22-130,521.48

Finding the Fourth Proportional to 194,146.78, 268,005.22 and 130,521.48

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Solution

The fourth proportional to 194,146.78, 268,005.22 and 130,521.48 is: 180,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,146.78 : 268,005.22 = 130,521.48 : x
  2. Step 2: Convert to fraction form
    194,146.78/268,005.22 = 130,521.48/x
  3. Step 3: Cross multiply
    194,146.78x = 268,005.22 × 130,521.48
  4. Step 4: Simplify right side
    194,146.78x = 34,980,437,962.13
  5. Step 5: Solve for x
    x = 34,980,437,962.13/194,146.78
  6. Step 6: Final answer
    x = 180,175.22

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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.