Home / 134,784.20-202,249.20-55,906.40

Finding the Fourth Proportional to 134,784.20, 202,249.20 and 55,906.40

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Solution

The fourth proportional to 134,784.20, 202,249.20 and 55,906.40 is: 83,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.20 : 202,249.20 = 55,906.40 : x
  2. Step 2: Convert to fraction form
    134,784.20/202,249.20 = 55,906.40/x
  3. Step 3: Cross multiply
    134,784.20x = 202,249.20 × 55,906.40
  4. Step 4: Simplify right side
    134,784.20x = 11,307,024,674.88
  5. Step 5: Solve for x
    x = 11,307,024,674.88/134,784.20
  6. Step 6: Final answer
    x = 83,889.84

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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.