Home / 248,961.20-373,441.80-91,205.60

Finding the Fourth Proportional to 248,961.20, 373,441.80 and 91,205.60

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Solution

The fourth proportional to 248,961.20, 373,441.80 and 91,205.60 is: 136,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,961.20 : 373,441.80 = 91,205.60 : x
  2. Step 2: Convert to fraction form
    248,961.20/373,441.80 = 91,205.60/x
  3. Step 3: Cross multiply
    248,961.20x = 373,441.80 × 91,205.60
  4. Step 4: Simplify right side
    248,961.20x = 34,059,983,434.08
  5. Step 5: Solve for x
    x = 34,059,983,434.08/248,961.20
  6. Step 6: Final answer
    x = 136,808.40

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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.