Home / 199,079.01-298,442.21-142,777.53

Finding the Fourth Proportional to 199,079.01, 298,442.21 and 142,777.53

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Solution

The fourth proportional to 199,079.01, 298,442.21 and 142,777.53 is: 214,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,079.01 : 298,442.21 = 142,777.53 : x
  2. Step 2: Convert to fraction form
    199,079.01/298,442.21 = 142,777.53/x
  3. Step 3: Cross multiply
    199,079.01x = 298,442.21 × 142,777.53
  4. Step 4: Simplify right side
    199,079.01x = 42,610,840,877.65
  5. Step 5: Solve for x
    x = 42,610,840,877.65/199,079.01
  6. Step 6: Final answer
    x = 214,039.85

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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.