Home / 212,638.54-293,429.82-126,694.92

Finding the Fourth Proportional to 212,638.54, 293,429.82 and 126,694.92

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Solution

The fourth proportional to 212,638.54, 293,429.82 and 126,694.92 is: 174,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,638.54 : 293,429.82 = 126,694.92 : x
  2. Step 2: Convert to fraction form
    212,638.54/293,429.82 = 126,694.92/x
  3. Step 3: Cross multiply
    212,638.54x = 293,429.82 × 126,694.92
  4. Step 4: Simplify right side
    212,638.54x = 37,176,067,570.51
  5. Step 5: Solve for x
    x = 37,176,067,570.51/212,638.54
  6. Step 6: Final answer
    x = 174,832.22

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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.