Home / 155,781.74-214,993.98-92,140.04

Finding the Fourth Proportional to 155,781.74, 214,993.98 and 92,140.04

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Solution

The fourth proportional to 155,781.74, 214,993.98 and 92,140.04 is: 127,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,781.74 : 214,993.98 = 92,140.04 : x
  2. Step 2: Convert to fraction form
    155,781.74/214,993.98 = 92,140.04/x
  3. Step 3: Cross multiply
    155,781.74x = 214,993.98 × 92,140.04
  4. Step 4: Simplify right side
    155,781.74x = 19,809,554,454.44
  5. Step 5: Solve for x
    x = 19,809,554,454.44/155,781.74
  6. Step 6: Final answer
    x = 127,162.23

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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.