Home / 148,157.84-204,456.25-80,173.32

Finding the Fourth Proportional to 148,157.84, 204,456.25 and 80,173.32

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Solution

The fourth proportional to 148,157.84, 204,456.25 and 80,173.32 is: 110,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,157.84 : 204,456.25 = 80,173.32 : x
  2. Step 2: Convert to fraction form
    148,157.84/204,456.25 = 80,173.32/x
  3. Step 3: Cross multiply
    148,157.84x = 204,456.25 × 80,173.32
  4. Step 4: Simplify right side
    148,157.84x = 16,391,936,357.25
  5. Step 5: Solve for x
    x = 16,391,936,357.25/148,157.84
  6. Step 6: Final answer
    x = 110,638.33

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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.