Home / 140,848.88-194,371.65-77,185.31

Finding the Fourth Proportional to 140,848.88, 194,371.65 and 77,185.31

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Solution

The fourth proportional to 140,848.88, 194,371.65 and 77,185.31 is: 106,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,848.88 : 194,371.65 = 77,185.31 : x
  2. Step 2: Convert to fraction form
    140,848.88/194,371.65 = 77,185.31/x
  3. Step 3: Cross multiply
    140,848.88x = 194,371.65 × 77,185.31
  4. Step 4: Simplify right side
    140,848.88x = 15,002,635,088.60
  5. Step 5: Solve for x
    x = 15,002,635,088.60/140,848.88
  6. Step 6: Final answer
    x = 106,515.83

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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.