Home / 248,959.20-373,438.80-91,203.60

Finding the Fourth Proportional to 248,959.20, 373,438.80 and 91,203.60

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Solution

The fourth proportional to 248,959.20, 373,438.80 and 91,203.60 is: 136,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,959.20 : 373,438.80 = 91,203.60 : x
  2. Step 2: Convert to fraction form
    248,959.20/373,438.80 = 91,203.60/x
  3. Step 3: Cross multiply
    248,959.20x = 373,438.80 × 91,203.60
  4. Step 4: Simplify right side
    248,959.20x = 34,058,962,939.68
  5. Step 5: Solve for x
    x = 34,058,962,939.68/248,959.20
  6. Step 6: Final answer
    x = 136,805.40

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1.5x scale

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.