Home / 84,218.26-116,221.20-46,492.78

Finding the Fourth Proportional to 84,218.26, 116,221.20 and 46,492.78

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Solution

The fourth proportional to 84,218.26, 116,221.20 and 46,492.78 is: 64,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.26 : 116,221.20 = 46,492.78 : x
  2. Step 2: Convert to fraction form
    84,218.26/116,221.20 = 46,492.78/x
  3. Step 3: Cross multiply
    84,218.26x = 116,221.20 × 46,492.78
  4. Step 4: Simplify right side
    84,218.26x = 5,403,446,682.94
  5. Step 5: Solve for x
    x = 5,403,446,682.94/84,218.26
  6. Step 6: Final answer
    x = 64,160.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.