Home / 248,889.20-373,290.60-91,036.40

Finding the Fourth Proportional to 248,889.20, 373,290.60 and 91,036.40

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Solution

The fourth proportional to 248,889.20, 373,290.60 and 91,036.40 is: 136,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,889.20 : 373,290.60 = 91,036.40 : x
  2. Step 2: Convert to fraction form
    248,889.20/373,290.60 = 91,036.40/x
  3. Step 3: Cross multiply
    248,889.20x = 373,290.60 × 91,036.40
  4. Step 4: Simplify right side
    248,889.20x = 33,983,032,377.84
  5. Step 5: Solve for x
    x = 33,983,032,377.84/248,889.20
  6. Step 6: Final answer
    x = 136,538.80

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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.