Home / 145,360.82-200,540.99-107,211.95

Finding the Fourth Proportional to 145,360.82, 200,540.99 and 107,211.95

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Solution

The fourth proportional to 145,360.82, 200,540.99 and 107,211.95 is: 147,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360.82 : 200,540.99 = 107,211.95 : x
  2. Step 2: Convert to fraction form
    145,360.82/200,540.99 = 107,211.95/x
  3. Step 3: Cross multiply
    145,360.82x = 200,540.99 × 107,211.95
  4. Step 4: Simplify right side
    145,360.82x = 21,500,390,592.83
  5. Step 5: Solve for x
    x = 21,500,390,592.83/145,360.82
  6. Step 6: Final answer
    x = 147,910.49

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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.