Home / 248,914.80-373,145.40-91,105.20

Finding the Fourth Proportional to 248,914.80, 373,145.40 and 91,105.20

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Solution

The fourth proportional to 248,914.80, 373,145.40 and 91,105.20 is: 136,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,914.80 : 373,145.40 = 91,105.20 : x
  2. Step 2: Convert to fraction form
    248,914.80/373,145.40 = 91,105.20/x
  3. Step 3: Cross multiply
    248,914.80x = 373,145.40 × 91,105.20
  4. Step 4: Simplify right side
    248,914.80x = 33,995,486,296.08
  5. Step 5: Solve for x
    x = 33,995,486,296.08/248,914.80
  6. Step 6: Final answer
    x = 136,574.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.