Home / 152,106.20-228,138.60-39,795.20

Finding the Fourth Proportional to 152,106.20, 228,138.60 and 39,795.20

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Solution

The fourth proportional to 152,106.20, 228,138.60 and 39,795.20 is: 59,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,106.20 : 228,138.60 = 39,795.20 : x
  2. Step 2: Convert to fraction form
    152,106.20/228,138.60 = 39,795.20/x
  3. Step 3: Cross multiply
    152,106.20x = 228,138.60 × 39,795.20
  4. Step 4: Simplify right side
    152,106.20x = 9,078,821,214.72
  5. Step 5: Solve for x
    x = 9,078,821,214.72/152,106.20
  6. Step 6: Final answer
    x = 59,687.38

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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.