Home / 194,848.80-292,388.40-142,125.60

Finding the Fourth Proportional to 194,848.80, 292,388.40 and 142,125.60

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Solution

The fourth proportional to 194,848.80, 292,388.40 and 142,125.60 is: 213,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,848.80 : 292,388.40 = 142,125.60 : x
  2. Step 2: Convert to fraction form
    194,848.80/292,388.40 = 142,125.60/x
  3. Step 3: Cross multiply
    194,848.80x = 292,388.40 × 142,125.60
  4. Step 4: Simplify right side
    194,848.80x = 41,555,876,783.04
  5. Step 5: Solve for x
    x = 41,555,876,783.04/194,848.80
  6. Step 6: Final answer
    x = 213,272.43

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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.