Home / 248,895.20-373,342.80-91,139.60

Finding the Fourth Proportional to 248,895.20, 373,342.80 and 91,139.60

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Solution

The fourth proportional to 248,895.20, 373,342.80 and 91,139.60 is: 136,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,895.20 : 373,342.80 = 91,139.60 : x
  2. Step 2: Convert to fraction form
    248,895.20/373,342.80 = 91,139.60/x
  3. Step 3: Cross multiply
    248,895.20x = 373,342.80 × 91,139.60
  4. Step 4: Simplify right side
    248,895.20x = 34,026,313,454.88
  5. Step 5: Solve for x
    x = 34,026,313,454.88/248,895.20
  6. Step 6: Final answer
    x = 136,709.40

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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.