Home / 98,218.93-135,544.04-55,777.63

Finding the Fourth Proportional to 98,218.93, 135,544.04 and 55,777.63

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Solution

The fourth proportional to 98,218.93, 135,544.04 and 55,777.63 is: 76,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.93 : 135,544.04 = 55,777.63 : x
  2. Step 2: Convert to fraction form
    98,218.93/135,544.04 = 55,777.63/x
  3. Step 3: Cross multiply
    98,218.93x = 135,544.04 × 55,777.63
  4. Step 4: Simplify right side
    98,218.93x = 7,560,325,311.83
  5. Step 5: Solve for x
    x = 7,560,325,311.83/98,218.93
  6. Step 6: Final answer
    x = 76,974.22

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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.