Home / 148,829.28-205,384.62-80,846.27

Finding the Fourth Proportional to 148,829.28, 205,384.62 and 80,846.27

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Solution

The fourth proportional to 148,829.28, 205,384.62 and 80,846.27 is: 111,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,829.28 : 205,384.62 = 80,846.27 : x
  2. Step 2: Convert to fraction form
    148,829.28/205,384.62 = 80,846.27/x
  3. Step 3: Cross multiply
    148,829.28x = 205,384.62 × 80,846.27
  4. Step 4: Simplify right side
    148,829.28x = 16,604,579,415.44
  5. Step 5: Solve for x
    x = 16,604,579,415.44/148,829.28
  6. Step 6: Final answer
    x = 111,567.96

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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.