Home / 248,259.20-372,542.70-130,015.40

Finding the Fourth Proportional to 248,259.20, 372,542.70 and 130,015.40

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Solution

The fourth proportional to 248,259.20, 372,542.70 and 130,015.40 is: 195,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,259.20 : 372,542.70 = 130,015.40 : x
  2. Step 2: Convert to fraction form
    248,259.20/372,542.70 = 130,015.40/x
  3. Step 3: Cross multiply
    248,259.20x = 372,542.70 × 130,015.40
  4. Step 4: Simplify right side
    248,259.20x = 48,436,288,157.58
  5. Step 5: Solve for x
    x = 48,436,288,157.58/248,259.20
  6. Step 6: Final answer
    x = 195,103.70

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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.