Home / 96,601.20-144,901.80-40,431.60

Finding the Fourth Proportional to 96,601.20, 144,901.80 and 40,431.60

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Solution

The fourth proportional to 96,601.20, 144,901.80 and 40,431.60 is: 60,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,601.20 : 144,901.80 = 40,431.60 : x
  2. Step 2: Convert to fraction form
    96,601.20/144,901.80 = 40,431.60/x
  3. Step 3: Cross multiply
    96,601.20x = 144,901.80 × 40,431.60
  4. Step 4: Simplify right side
    96,601.20x = 5,858,611,616.88
  5. Step 5: Solve for x
    x = 5,858,611,616.88/96,601.20
  6. Step 6: Final answer
    x = 60,647.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.