Home / 198,900.02-298,350.22-139,998.58

Finding the Fourth Proportional to 198,900.02, 298,350.22 and 139,998.58

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Solution

The fourth proportional to 198,900.02, 298,350.22 and 139,998.58 is: 209,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,900.02 : 298,350.22 = 139,998.58 : x
  2. Step 2: Convert to fraction form
    198,900.02/298,350.22 = 139,998.58/x
  3. Step 3: Cross multiply
    198,900.02x = 298,350.22 × 139,998.58
  4. Step 4: Simplify right side
    198,900.02x = 41,768,607,142.69
  5. Step 5: Solve for x
    x = 41,768,607,142.69/198,900.02
  6. Step 6: Final answer
    x = 209,998.00

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1.5x scale

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.