Home / 216,837.72-325,287.57-67,090.80

Finding the Fourth Proportional to 216,837.72, 325,287.57 and 67,090.80

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Solution

The fourth proportional to 216,837.72, 325,287.57 and 67,090.80 is: 100,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,837.72 : 325,287.57 = 67,090.80 : x
  2. Step 2: Convert to fraction form
    216,837.72/325,287.57 = 67,090.80/x
  3. Step 3: Cross multiply
    216,837.72x = 325,287.57 × 67,090.80
  4. Step 4: Simplify right side
    216,837.72x = 21,823,803,301.36
  5. Step 5: Solve for x
    x = 21,823,803,301.36/216,837.72
  6. Step 6: Final answer
    x = 100,645.79

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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.