Home / 84,180.12-116,169.23-45,939.96

Finding the Fourth Proportional to 84,180.12, 116,169.23 and 45,939.96

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Solution

The fourth proportional to 84,180.12, 116,169.23 and 45,939.96 is: 63,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,180.12 : 116,169.23 = 45,939.96 : x
  2. Step 2: Convert to fraction form
    84,180.12/116,169.23 = 45,939.96/x
  3. Step 3: Cross multiply
    84,180.12x = 116,169.23 × 45,939.96
  4. Step 4: Simplify right side
    84,180.12x = 5,336,809,779.43
  5. Step 5: Solve for x
    x = 5,336,809,779.43/84,180.12
  6. Step 6: Final answer
    x = 63,397.51

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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.