Home / 196,129.80-294,379.02-102,702.60

Finding the Fourth Proportional to 196,129.80, 294,379.02 and 102,702.60

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Solution

The fourth proportional to 196,129.80, 294,379.02 and 102,702.60 is: 154,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,129.80 : 294,379.02 = 102,702.60 : x
  2. Step 2: Convert to fraction form
    196,129.80/294,379.02 = 102,702.60/x
  3. Step 3: Cross multiply
    196,129.80x = 294,379.02 × 102,702.60
  4. Step 4: Simplify right side
    196,129.80x = 30,233,490,739.45
  5. Step 5: Solve for x
    x = 30,233,490,739.45/196,129.80
  6. Step 6: Final answer
    x = 154,150.42

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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.