Home / 102,827.20-154,143.60-60,739.60

Finding the Fourth Proportional to 102,827.20, 154,143.60 and 60,739.60

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Solution

The fourth proportional to 102,827.20, 154,143.60 and 60,739.60 is: 91,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.20 : 154,143.60 = 60,739.60 : x
  2. Step 2: Convert to fraction form
    102,827.20/154,143.60 = 60,739.60/x
  3. Step 3: Cross multiply
    102,827.20x = 154,143.60 × 60,739.60
  4. Step 4: Simplify right side
    102,827.20x = 9,362,620,606.56
  5. Step 5: Solve for x
    x = 9,362,620,606.56/102,827.20
  6. Step 6: Final answer
    x = 91,051.98

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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.