Home / 216,708.99-325,094.58-66,962.36

Finding the Fourth Proportional to 216,708.99, 325,094.58 and 66,962.36

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Solution

The fourth proportional to 216,708.99, 325,094.58 and 66,962.36 is: 100,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,708.99 : 325,094.58 = 66,962.36 : x
  2. Step 2: Convert to fraction form
    216,708.99/325,094.58 = 66,962.36/x
  3. Step 3: Cross multiply
    216,708.99x = 325,094.58 × 66,962.36
  4. Step 4: Simplify right side
    216,708.99x = 21,769,098,674.54
  5. Step 5: Solve for x
    x = 21,769,098,674.54/216,708.99
  6. Step 6: Final answer
    x = 100,453.14

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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.