Home / 144,310.31-199,157.06-80,653.19

Finding the Fourth Proportional to 144,310.31, 199,157.06 and 80,653.19

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Solution

The fourth proportional to 144,310.31, 199,157.06 and 80,653.19 is: 111,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,310.31 : 199,157.06 = 80,653.19 : x
  2. Step 2: Convert to fraction form
    144,310.31/199,157.06 = 80,653.19/x
  3. Step 3: Cross multiply
    144,310.31x = 199,157.06 × 80,653.19
  4. Step 4: Simplify right side
    144,310.31x = 16,062,651,405.87
  5. Step 5: Solve for x
    x = 16,062,651,405.87/144,310.31
  6. Step 6: Final answer
    x = 111,306.34

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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.