Home / 152,272.80-228,455.91-68,103.76

Finding the Fourth Proportional to 152,272.80, 228,455.91 and 68,103.76

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Solution

The fourth proportional to 152,272.80, 228,455.91 and 68,103.76 is: 102,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,272.80 : 228,455.91 = 68,103.76 : x
  2. Step 2: Convert to fraction form
    152,272.80/228,455.91 = 68,103.76/x
  3. Step 3: Cross multiply
    152,272.80x = 228,455.91 × 68,103.76
  4. Step 4: Simplify right side
    152,272.80x = 15,558,706,465.22
  5. Step 5: Solve for x
    x = 15,558,706,465.22/152,272.80
  6. Step 6: Final answer
    x = 102,176.53

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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.