Home / 276,135.05-414,203.59-84,011.36

Finding the Fourth Proportional to 276,135.05, 414,203.59 and 84,011.36

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Solution

The fourth proportional to 276,135.05, 414,203.59 and 84,011.36 is: 126,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,135.05 : 414,203.59 = 84,011.36 : x
  2. Step 2: Convert to fraction form
    276,135.05/414,203.59 = 84,011.36/x
  3. Step 3: Cross multiply
    276,135.05x = 414,203.59 × 84,011.36
  4. Step 4: Simplify right side
    276,135.05x = 34,797,804,841.76
  5. Step 5: Solve for x
    x = 34,797,804,841.76/276,135.05
  6. Step 6: Final answer
    x = 126,017.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.