Home / 140,054.98-193,272.60-76,393.30

Finding the Fourth Proportional to 140,054.98, 193,272.60 and 76,393.30

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Solution

The fourth proportional to 140,054.98, 193,272.60 and 76,393.30 is: 105,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.98 : 193,272.60 = 76,393.30 : x
  2. Step 2: Convert to fraction form
    140,054.98/193,272.60 = 76,393.30/x
  3. Step 3: Cross multiply
    140,054.98x = 193,272.60 × 76,393.30
  4. Step 4: Simplify right side
    140,054.98x = 14,764,731,713.58
  5. Step 5: Solve for x
    x = 14,764,731,713.58/140,054.98
  6. Step 6: Final answer
    x = 105,420.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.