Home / 140,848.88-194,371.45-77,188.14

Finding the Fourth Proportional to 140,848.88, 194,371.45 and 77,188.14

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Solution

The fourth proportional to 140,848.88, 194,371.45 and 77,188.14 is: 106,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,848.88 : 194,371.45 = 77,188.14 : x
  2. Step 2: Convert to fraction form
    140,848.88/194,371.45 = 77,188.14/x
  3. Step 3: Cross multiply
    140,848.88x = 194,371.45 × 77,188.14
  4. Step 4: Simplify right side
    140,848.88x = 15,003,170,501.63
  5. Step 5: Solve for x
    x = 15,003,170,501.63/140,848.88
  6. Step 6: Final answer
    x = 106,519.63

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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.