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Finding the Fourth Proportional to 163,722, 245,583.12 and 65,295.12

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Solution

The fourth proportional to 163,722, 245,583.12 and 65,295.12 is: 97,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,722 : 245,583.12 = 65,295.12 : x
  2. Step 2: Convert to fraction form
    163,722/245,583.12 = 65,295.12/x
  3. Step 3: Cross multiply
    163,722x = 245,583.12 × 65,295.12
  4. Step 4: Simplify right side
    163,722x = 16,035,379,290.37
  5. Step 5: Solve for x
    x = 16,035,379,290.37/163,722
  6. Step 6: Final answer
    x = 97,942.73

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1.5x scale

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.