Home / 213,430.94-294,583.80-122,839.22

Finding the Fourth Proportional to 213,430.94, 294,583.80 and 122,839.22

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Solution

The fourth proportional to 213,430.94, 294,583.80 and 122,839.22 is: 169,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,430.94 : 294,583.80 = 122,839.22 : x
  2. Step 2: Convert to fraction form
    213,430.94/294,583.80 = 122,839.22/x
  3. Step 3: Cross multiply
    213,430.94x = 294,583.80 × 122,839.22
  4. Step 4: Simplify right side
    213,430.94x = 36,186,444,216.64
  5. Step 5: Solve for x
    x = 36,186,444,216.64/213,430.94
  6. Step 6: Final answer
    x = 169,546.38

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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.