Home / 140,860.33-194,386.13-77,197.97

Finding the Fourth Proportional to 140,860.33, 194,386.13 and 77,197.97

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Solution

The fourth proportional to 140,860.33, 194,386.13 and 77,197.97 is: 106,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,860.33 : 194,386.13 = 77,197.97 : x
  2. Step 2: Convert to fraction form
    140,860.33/194,386.13 = 77,197.97/x
  3. Step 3: Cross multiply
    140,860.33x = 194,386.13 × 77,197.97
  4. Step 4: Simplify right side
    140,860.33x = 15,006,214,825.15
  5. Step 5: Solve for x
    x = 15,006,214,825.15/140,860.33
  6. Step 6: Final answer
    x = 106,532.59

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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.