Home / 211,185.26-316,777.69-84,825.52

Finding the Fourth Proportional to 211,185.26, 316,777.69 and 84,825.52

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Solution

The fourth proportional to 211,185.26, 316,777.69 and 84,825.52 is: 127,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,185.26 : 316,777.69 = 84,825.52 : x
  2. Step 2: Convert to fraction form
    211,185.26/316,777.69 = 84,825.52/x
  3. Step 3: Cross multiply
    211,185.26x = 316,777.69 × 84,825.52
  4. Step 4: Simplify right side
    211,185.26x = 26,870,833,282.66
  5. Step 5: Solve for x
    x = 26,870,833,282.66/211,185.26
  6. Step 6: Final answer
    x = 127,238.21

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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.