Home / 213,086.88-294,069.48-122,472.24

Finding the Fourth Proportional to 213,086.88, 294,069.48 and 122,472.24

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Solution

The fourth proportional to 213,086.88, 294,069.48 and 122,472.24 is: 169,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,086.88 : 294,069.48 = 122,472.24 : x
  2. Step 2: Convert to fraction form
    213,086.88/294,069.48 = 122,472.24/x
  3. Step 3: Cross multiply
    213,086.88x = 294,069.48 × 122,472.24
  4. Step 4: Simplify right side
    213,086.88x = 36,015,347,931.24
  5. Step 5: Solve for x
    x = 36,015,347,931.24/213,086.88
  6. Step 6: Final answer
    x = 169,017.20

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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.