Home / 216,706.12-325,090.27-66,959.48

Finding the Fourth Proportional to 216,706.12, 325,090.27 and 66,959.48

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Solution

The fourth proportional to 216,706.12, 325,090.27 and 66,959.48 is: 100,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,706.12 : 325,090.27 = 66,959.48 : x
  2. Step 2: Convert to fraction form
    216,706.12/325,090.27 = 66,959.48/x
  3. Step 3: Cross multiply
    216,706.12x = 325,090.27 × 66,959.48
  4. Step 4: Simplify right side
    216,706.12x = 21,767,875,432.26
  5. Step 5: Solve for x
    x = 21,767,875,432.26/216,706.12
  6. Step 6: Final answer
    x = 100,448.83

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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.