Home / 193,255.35-290,027.03-99,712.95

Finding the Fourth Proportional to 193,255.35, 290,027.03 and 99,712.95

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Solution

The fourth proportional to 193,255.35, 290,027.03 and 99,712.95 is: 149,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,255.35 : 290,027.03 = 99,712.95 : x
  2. Step 2: Convert to fraction form
    193,255.35/290,027.03 = 99,712.95/x
  3. Step 3: Cross multiply
    193,255.35x = 290,027.03 × 99,712.95
  4. Step 4: Simplify right side
    193,255.35x = 28,919,450,242.47
  5. Step 5: Solve for x
    x = 28,919,450,242.47/193,255.35
  6. Step 6: Final answer
    x = 149,643.72

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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.