Home / 151,895.40-227,843.10-72,990.60

Finding the Fourth Proportional to 151,895.40, 227,843.10 and 72,990.60

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Solution

The fourth proportional to 151,895.40, 227,843.10 and 72,990.60 is: 109,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,895.40 : 227,843.10 = 72,990.60 : x
  2. Step 2: Convert to fraction form
    151,895.40/227,843.10 = 72,990.60/x
  3. Step 3: Cross multiply
    151,895.40x = 227,843.10 × 72,990.60
  4. Step 4: Simplify right side
    151,895.40x = 16,630,404,574.86
  5. Step 5: Solve for x
    x = 16,630,404,574.86/151,895.40
  6. Step 6: Final answer
    x = 109,485.90

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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.