Home / 248,685.20-372,984.60-90,832.40

Finding the Fourth Proportional to 248,685.20, 372,984.60 and 90,832.40

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Solution

The fourth proportional to 248,685.20, 372,984.60 and 90,832.40 is: 136,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,685.20 : 372,984.60 = 90,832.40 : x
  2. Step 2: Convert to fraction form
    248,685.20/372,984.60 = 90,832.40/x
  3. Step 3: Cross multiply
    248,685.20x = 372,984.60 × 90,832.40
  4. Step 4: Simplify right side
    248,685.20x = 33,879,086,381.04
  5. Step 5: Solve for x
    x = 33,879,086,381.04/248,685.20
  6. Step 6: Final answer
    x = 136,232.82

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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.