Home / 202,142.44-278,900.58-130,525.48

Finding the Fourth Proportional to 202,142.44, 278,900.58 and 130,525.48

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Solution

The fourth proportional to 202,142.44, 278,900.58 and 130,525.48 is: 180,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,142.44 : 278,900.58 = 130,525.48 : x
  2. Step 2: Convert to fraction form
    202,142.44/278,900.58 = 130,525.48/x
  3. Step 3: Cross multiply
    202,142.44x = 278,900.58 × 130,525.48
  4. Step 4: Simplify right side
    202,142.44x = 36,403,632,076.78
  5. Step 5: Solve for x
    x = 36,403,632,076.78/202,142.44
  6. Step 6: Final answer
    x = 180,089.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.