Home / 213,215.05-294,254.03-122,600.46

Finding the Fourth Proportional to 213,215.05, 294,254.03 and 122,600.46

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Solution

The fourth proportional to 213,215.05, 294,254.03 and 122,600.46 is: 169,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,215.05 : 294,254.03 = 122,600.46 : x
  2. Step 2: Convert to fraction form
    213,215.05/294,254.03 = 122,600.46/x
  3. Step 3: Cross multiply
    213,215.05x = 294,254.03 × 122,600.46
  4. Step 4: Simplify right side
    213,215.05x = 36,075,679,434.85
  5. Step 5: Solve for x
    x = 36,075,679,434.85/213,215.05
  6. Step 6: Final answer
    x = 169,198.56

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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.