Home / 199,072.02-298,431.70-142,770.54

Finding the Fourth Proportional to 199,072.02, 298,431.70 and 142,770.54

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Solution

The fourth proportional to 199,072.02, 298,431.70 and 142,770.54 is: 214,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,072.02 : 298,431.70 = 142,770.54 : x
  2. Step 2: Convert to fraction form
    199,072.02/298,431.70 = 142,770.54/x
  3. Step 3: Cross multiply
    199,072.02x = 298,431.70 × 142,770.54
  4. Step 4: Simplify right side
    199,072.02x = 42,607,254,962.12
  5. Step 5: Solve for x
    x = 42,607,254,962.12/199,072.02
  6. Step 6: Final answer
    x = 214,029.35

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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.