Home / 152,561.22-228,926.61-68,317.98

Finding the Fourth Proportional to 152,561.22, 228,926.61 and 68,317.98

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Solution

The fourth proportional to 152,561.22, 228,926.61 and 68,317.98 is: 102,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,561.22 : 228,926.61 = 68,317.98 : x
  2. Step 2: Convert to fraction form
    152,561.22/228,926.61 = 68,317.98/x
  3. Step 3: Cross multiply
    152,561.22x = 228,926.61 × 68,317.98
  4. Step 4: Simplify right side
    152,561.22x = 15,639,803,563.45
  5. Step 5: Solve for x
    x = 15,639,803,563.45/152,561.22
  6. Step 6: Final answer
    x = 102,514.94

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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.