Home / 248,739.20-372,998.72-71,205.76

Finding the Fourth Proportional to 248,739.20, 372,998.72 and 71,205.76

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Solution

The fourth proportional to 248,739.20, 372,998.72 and 71,205.76 is: 106,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,739.20 : 372,998.72 = 71,205.76 : x
  2. Step 2: Convert to fraction form
    248,739.20/372,998.72 = 71,205.76/x
  3. Step 3: Cross multiply
    248,739.20x = 372,998.72 × 71,205.76
  4. Step 4: Simplify right side
    248,739.20x = 26,559,657,336.63
  5. Step 5: Solve for x
    x = 26,559,657,336.63/248,739.20
  6. Step 6: Final answer
    x = 106,777.13

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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.