Home / 209,440.91-314,042.36-142,961.51

Finding the Fourth Proportional to 209,440.91, 314,042.36 and 142,961.51

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Solution

The fourth proportional to 209,440.91, 314,042.36 and 142,961.51 is: 214,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,440.91 : 314,042.36 = 142,961.51 : x
  2. Step 2: Convert to fraction form
    209,440.91/314,042.36 = 142,961.51/x
  3. Step 3: Cross multiply
    209,440.91x = 314,042.36 × 142,961.51
  4. Step 4: Simplify right side
    209,440.91x = 44,895,970,059.86
  5. Step 5: Solve for x
    x = 44,895,970,059.86/209,440.91
  6. Step 6: Final answer
    x = 214,361.03

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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.