Home / 205,042.59-307,847.18-141,706.67

Finding the Fourth Proportional to 205,042.59, 307,847.18 and 141,706.67

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Solution

The fourth proportional to 205,042.59, 307,847.18 and 141,706.67 is: 212,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,042.59 : 307,847.18 = 141,706.67 : x
  2. Step 2: Convert to fraction form
    205,042.59/307,847.18 = 141,706.67/x
  3. Step 3: Cross multiply
    205,042.59x = 307,847.18 × 141,706.67
  4. Step 4: Simplify right side
    205,042.59x = 43,623,997,561.72
  5. Step 5: Solve for x
    x = 43,623,997,561.72/205,042.59
  6. Step 6: Final answer
    x = 212,755.79

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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.