Home / 152,684.45-228,919.37-67,254.77

Finding the Fourth Proportional to 152,684.45, 228,919.37 and 67,254.77

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Solution

The fourth proportional to 152,684.45, 228,919.37 and 67,254.77 is: 100,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,684.45 : 228,919.37 = 67,254.77 : x
  2. Step 2: Convert to fraction form
    152,684.45/228,919.37 = 67,254.77/x
  3. Step 3: Cross multiply
    152,684.45x = 228,919.37 × 67,254.77
  4. Step 4: Simplify right side
    152,684.45x = 15,395,919,577.89
  5. Step 5: Solve for x
    x = 15,395,919,577.89/152,684.45
  6. Step 6: Final answer
    x = 100,834.89

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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.