Home / 216,629.98-325,002.94-66,864.22

Finding the Fourth Proportional to 216,629.98, 325,002.94 and 66,864.22

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Solution

The fourth proportional to 216,629.98, 325,002.94 and 66,864.22 is: 100,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,629.98 : 325,002.94 = 66,864.22 : x
  2. Step 2: Convert to fraction form
    216,629.98/325,002.94 = 66,864.22/x
  3. Step 3: Cross multiply
    216,629.98x = 325,002.94 × 66,864.22
  4. Step 4: Simplify right side
    216,629.98x = 21,731,068,080.81
  5. Step 5: Solve for x
    x = 21,731,068,080.81/216,629.98
  6. Step 6: Final answer
    x = 100,314.22

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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.