Home / 140,654.26-194,095.40-76,979.74

Finding the Fourth Proportional to 140,654.26, 194,095.40 and 76,979.74

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Solution

The fourth proportional to 140,654.26, 194,095.40 and 76,979.74 is: 106,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,654.26 : 194,095.40 = 76,979.74 : x
  2. Step 2: Convert to fraction form
    140,654.26/194,095.40 = 76,979.74/x
  3. Step 3: Cross multiply
    140,654.26x = 194,095.40 × 76,979.74
  4. Step 4: Simplify right side
    140,654.26x = 14,941,413,427.20
  5. Step 5: Solve for x
    x = 14,941,413,427.20/140,654.26
  6. Step 6: Final answer
    x = 106,227.95

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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.