Home / 163,927.97-245,960.03-78,495.85

Finding the Fourth Proportional to 163,927.97, 245,960.03 and 78,495.85

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Solution

The fourth proportional to 163,927.97, 245,960.03 and 78,495.85 is: 117,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,927.97 : 245,960.03 = 78,495.85 : x
  2. Step 2: Convert to fraction form
    163,927.97/245,960.03 = 78,495.85/x
  3. Step 3: Cross multiply
    163,927.97x = 245,960.03 × 78,495.85
  4. Step 4: Simplify right side
    163,927.97x = 19,306,841,620.88
  5. Step 5: Solve for x
    x = 19,306,841,620.88/163,927.97
  6. Step 6: Final answer
    x = 117,776.37

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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.