Home / 216,514.43-325,066.14-121,811.24

Finding the Fourth Proportional to 216,514.43, 325,066.14 and 121,811.24

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Solution

The fourth proportional to 216,514.43, 325,066.14 and 121,811.24 is: 182,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,514.43 : 325,066.14 = 121,811.24 : x
  2. Step 2: Convert to fraction form
    216,514.43/325,066.14 = 121,811.24/x
  3. Step 3: Cross multiply
    216,514.43x = 325,066.14 × 121,811.24
  4. Step 4: Simplify right side
    216,514.43x = 39,596,709,595.41
  5. Step 5: Solve for x
    x = 39,596,709,595.41/216,514.43
  6. Step 6: Final answer
    x = 182,882.54

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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.