Home / 199,307.56-298,961.34-136,788.52

Finding the Fourth Proportional to 199,307.56, 298,961.34 and 136,788.52

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Solution

The fourth proportional to 199,307.56, 298,961.34 and 136,788.52 is: 205,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,307.56 : 298,961.34 = 136,788.52 : x
  2. Step 2: Convert to fraction form
    199,307.56/298,961.34 = 136,788.52/x
  3. Step 3: Cross multiply
    199,307.56x = 298,961.34 × 136,788.52
  4. Step 4: Simplify right side
    199,307.56x = 40,894,479,235.82
  5. Step 5: Solve for x
    x = 40,894,479,235.82/199,307.56
  6. Step 6: Final answer
    x = 205,182.78

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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.