Home / 260,269.16-359,164.69-143,986.92

Finding the Fourth Proportional to 260,269.16, 359,164.69 and 143,986.92

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Solution

The fourth proportional to 260,269.16, 359,164.69 and 143,986.92 is: 198,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,269.16 : 359,164.69 = 143,986.92 : x
  2. Step 2: Convert to fraction form
    260,269.16/359,164.69 = 143,986.92/x
  3. Step 3: Cross multiply
    260,269.16x = 359,164.69 × 143,986.92
  4. Step 4: Simplify right side
    260,269.16x = 51,715,015,779.02
  5. Step 5: Solve for x
    x = 51,715,015,779.02/260,269.16
  6. Step 6: Final answer
    x = 198,698.21

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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.