Home / 199,073.02-298,433.20-142,771.54

Finding the Fourth Proportional to 199,073.02, 298,433.20 and 142,771.54

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Solution

The fourth proportional to 199,073.02, 298,433.20 and 142,771.54 is: 214,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,073.02 : 298,433.20 = 142,771.54 : x
  2. Step 2: Convert to fraction form
    199,073.02/298,433.20 = 142,771.54/x
  3. Step 3: Cross multiply
    199,073.02x = 298,433.20 × 142,771.54
  4. Step 4: Simplify right side
    199,073.02x = 42,607,767,551.13
  5. Step 5: Solve for x
    x = 42,607,767,551.13/199,073.02
  6. Step 6: Final answer
    x = 214,030.85

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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.