Home / 276,116.43-414,175.19-76,437.39

Finding the Fourth Proportional to 276,116.43, 414,175.19 and 76,437.39

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Solution

The fourth proportional to 276,116.43, 414,175.19 and 76,437.39 is: 114,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,116.43 : 414,175.19 = 76,437.39 : x
  2. Step 2: Convert to fraction form
    276,116.43/414,175.19 = 76,437.39/x
  3. Step 3: Cross multiply
    276,116.43x = 414,175.19 × 76,437.39
  4. Step 4: Simplify right side
    276,116.43x = 31,658,470,144.17
  5. Step 5: Solve for x
    x = 31,658,470,144.17/276,116.43
  6. Step 6: Final answer
    x = 114,656.23

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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.