Home / 148,387.10-204,773.55-80,404.34

Finding the Fourth Proportional to 148,387.10, 204,773.55 and 80,404.34

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Solution

The fourth proportional to 148,387.10, 204,773.55 and 80,404.34 is: 110,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,387.10 : 204,773.55 = 80,404.34 : x
  2. Step 2: Convert to fraction form
    148,387.10/204,773.55 = 80,404.34/x
  3. Step 3: Cross multiply
    148,387.10x = 204,773.55 × 80,404.34
  4. Step 4: Simplify right side
    148,387.10x = 16,464,682,137.21
  5. Step 5: Solve for x
    x = 16,464,682,137.21/148,387.10
  6. Step 6: Final answer
    x = 110,957.64

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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.