Home / 213,029.51-294,006.76-122,385.31

Finding the Fourth Proportional to 213,029.51, 294,006.76 and 122,385.31

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Solution

The fourth proportional to 213,029.51, 294,006.76 and 122,385.31 is: 168,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,029.51 : 294,006.76 = 122,385.31 : x
  2. Step 2: Convert to fraction form
    213,029.51/294,006.76 = 122,385.31/x
  3. Step 3: Cross multiply
    213,029.51x = 294,006.76 × 122,385.31
  4. Step 4: Simplify right side
    213,029.51x = 35,982,106,994.66
  5. Step 5: Solve for x
    x = 35,982,106,994.66/213,029.51
  6. Step 6: Final answer
    x = 168,906.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.