Home / 103,194.95-154,782.02-28,322.63

Finding the Fourth Proportional to 103,194.95, 154,782.02 and 28,322.63

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Solution

The fourth proportional to 103,194.95, 154,782.02 and 28,322.63 is: 42,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194.95 : 154,782.02 = 28,322.63 : x
  2. Step 2: Convert to fraction form
    103,194.95/154,782.02 = 28,322.63/x
  3. Step 3: Cross multiply
    103,194.95x = 154,782.02 × 28,322.63
  4. Step 4: Simplify right side
    103,194.95x = 4,383,833,760.44
  5. Step 5: Solve for x
    x = 4,383,833,760.44/103,194.95
  6. Step 6: Final answer
    x = 42,481.09

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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.