Home / 213,377.12-294,518.40-126,238.40

Finding the Fourth Proportional to 213,377.12, 294,518.40 and 126,238.40

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Solution

The fourth proportional to 213,377.12, 294,518.40 and 126,238.40 is: 174,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,377.12 : 294,518.40 = 126,238.40 : x
  2. Step 2: Convert to fraction form
    213,377.12/294,518.40 = 126,238.40/x
  3. Step 3: Cross multiply
    213,377.12x = 294,518.40 × 126,238.40
  4. Step 4: Simplify right side
    213,377.12x = 37,179,531,586.56
  5. Step 5: Solve for x
    x = 37,179,531,586.56/213,377.12
  6. Step 6: Final answer
    x = 174,243.29

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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.