Home / 148,021.63-204,269.99-80,038.56

Finding the Fourth Proportional to 148,021.63, 204,269.99 and 80,038.56

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Solution

The fourth proportional to 148,021.63, 204,269.99 and 80,038.56 is: 110,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021.63 : 204,269.99 = 80,038.56 : x
  2. Step 2: Convert to fraction form
    148,021.63/204,269.99 = 80,038.56/x
  3. Step 3: Cross multiply
    148,021.63x = 204,269.99 × 80,038.56
  4. Step 4: Simplify right side
    148,021.63x = 16,349,476,216.63
  5. Step 5: Solve for x
    x = 16,349,476,216.63/148,021.63
  6. Step 6: Final answer
    x = 110,453.29

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1.5x scale

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.