Home / 213,322.80-294,384.74-122,674.49

Finding the Fourth Proportional to 213,322.80, 294,384.74 and 122,674.49

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Solution

The fourth proportional to 213,322.80, 294,384.74 and 122,674.49 is: 169,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,322.80 : 294,384.74 = 122,674.49 : x
  2. Step 2: Convert to fraction form
    213,322.80/294,384.74 = 122,674.49/x
  3. Step 3: Cross multiply
    213,322.80x = 294,384.74 × 122,674.49
  4. Step 4: Simplify right side
    213,322.80x = 36,113,495,757.99
  5. Step 5: Solve for x
    x = 36,113,495,757.99/213,322.80
  6. Step 6: Final answer
    x = 169,290.37

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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.