Home / 143,913.24-198,601.02-80,253.72

Finding the Fourth Proportional to 143,913.24, 198,601.02 and 80,253.72

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Solution

The fourth proportional to 143,913.24, 198,601.02 and 80,253.72 is: 110,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,913.24 : 198,601.02 = 80,253.72 : x
  2. Step 2: Convert to fraction form
    143,913.24/198,601.02 = 80,253.72/x
  3. Step 3: Cross multiply
    143,913.24x = 198,601.02 × 80,253.72
  4. Step 4: Simplify right side
    143,913.24x = 15,938,470,650.79
  5. Step 5: Solve for x
    x = 15,938,470,650.79/143,913.24
  6. Step 6: Final answer
    x = 110,750.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.