Home / 194,913.80-292,485.90-142,190.60

Finding the Fourth Proportional to 194,913.80, 292,485.90 and 142,190.60

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Solution

The fourth proportional to 194,913.80, 292,485.90 and 142,190.60 is: 213,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,913.80 : 292,485.90 = 142,190.60 : x
  2. Step 2: Convert to fraction form
    194,913.80/292,485.90 = 142,190.60/x
  3. Step 3: Cross multiply
    194,913.80x = 292,485.90 × 142,190.60
  4. Step 4: Simplify right side
    194,913.80x = 41,588,745,612.54
  5. Step 5: Solve for x
    x = 41,588,745,612.54/194,913.80
  6. Step 6: Final answer
    x = 213,369.94

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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.