Home / 201,729.77-278,293.55-130,132.85

Finding the Fourth Proportional to 201,729.77, 278,293.55 and 130,132.85

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Solution

The fourth proportional to 201,729.77, 278,293.55 and 130,132.85 is: 179,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,729.77 : 278,293.55 = 130,132.85 : x
  2. Step 2: Convert to fraction form
    201,729.77/278,293.55 = 130,132.85/x
  3. Step 3: Cross multiply
    201,729.77x = 278,293.55 × 130,132.85
  4. Step 4: Simplify right side
    201,729.77x = 36,215,132,843.19
  5. Step 5: Solve for x
    x = 36,215,132,843.19/201,729.77
  6. Step 6: Final answer
    x = 179,523.00

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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.