Home / 213,926.26-320,885.07-73,681.78

Finding the Fourth Proportional to 213,926.26, 320,885.07 and 73,681.78

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Solution

The fourth proportional to 213,926.26, 320,885.07 and 73,681.78 is: 110,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,926.26 : 320,885.07 = 73,681.78 : x
  2. Step 2: Convert to fraction form
    213,926.26/320,885.07 = 73,681.78/x
  3. Step 3: Cross multiply
    213,926.26x = 320,885.07 × 73,681.78
  4. Step 4: Simplify right side
    213,926.26x = 23,643,383,133.02
  5. Step 5: Solve for x
    x = 23,643,383,133.02/213,926.26
  6. Step 6: Final answer
    x = 110,521.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.