Home / 140,943.36-194,505.60-77,282.24

Finding the Fourth Proportional to 140,943.36, 194,505.60 and 77,282.24

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Solution

The fourth proportional to 140,943.36, 194,505.60 and 77,282.24 is: 106,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,943.36 : 194,505.60 = 77,282.24 : x
  2. Step 2: Convert to fraction form
    140,943.36/194,505.60 = 77,282.24/x
  3. Step 3: Cross multiply
    140,943.36x = 194,505.60 × 77,282.24
  4. Step 4: Simplify right side
    140,943.36x = 15,031,828,460.54
  5. Step 5: Solve for x
    x = 15,031,828,460.54/140,943.36
  6. Step 6: Final answer
    x = 106,651.55

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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.