Home / 199,331.89-298,664.98-140,061.45

Finding the Fourth Proportional to 199,331.89, 298,664.98 and 140,061.45

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Solution

The fourth proportional to 199,331.89, 298,664.98 and 140,061.45 is: 209,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331.89 : 298,664.98 = 140,061.45 : x
  2. Step 2: Convert to fraction form
    199,331.89/298,664.98 = 140,061.45/x
  3. Step 3: Cross multiply
    199,331.89x = 298,664.98 × 140,061.45
  4. Step 4: Simplify right side
    199,331.89x = 41,831,451,720.71
  5. Step 5: Solve for x
    x = 41,831,451,720.71/199,331.89
  6. Step 6: Final answer
    x = 209,858.30

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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.