Home / 166,087.40-248,756.49-77,153.74

Finding the Fourth Proportional to 166,087.40, 248,756.49 and 77,153.74

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Solution

The fourth proportional to 166,087.40, 248,756.49 and 77,153.74 is: 115,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087.40 : 248,756.49 = 77,153.74 : x
  2. Step 2: Convert to fraction form
    166,087.40/248,756.49 = 77,153.74/x
  3. Step 3: Cross multiply
    166,087.40x = 248,756.49 × 77,153.74
  4. Step 4: Simplify right side
    166,087.40x = 19,192,492,930.88
  5. Step 5: Solve for x
    x = 19,192,492,930.88/166,087.40
  6. Step 6: Final answer
    x = 115,556.59

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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.