Home / 152,071.20-228,171.60-105,298.56

Finding the Fourth Proportional to 152,071.20, 228,171.60 and 105,298.56

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Solution

The fourth proportional to 152,071.20, 228,171.60 and 105,298.56 is: 157,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,071.20 : 228,171.60 = 105,298.56 : x
  2. Step 2: Convert to fraction form
    152,071.20/228,171.60 = 105,298.56/x
  3. Step 3: Cross multiply
    152,071.20x = 228,171.60 × 105,298.56
  4. Step 4: Simplify right side
    152,071.20x = 24,026,140,912.90
  5. Step 5: Solve for x
    x = 24,026,140,912.90/152,071.20
  6. Step 6: Final answer
    x = 157,992.71

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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.