Home / 132,820.80-199,284.60-53,941.20

Finding the Fourth Proportional to 132,820.80, 199,284.60 and 53,941.20

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Solution

The fourth proportional to 132,820.80, 199,284.60 and 53,941.20 is: 80,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,820.80 : 199,284.60 = 53,941.20 : x
  2. Step 2: Convert to fraction form
    132,820.80/199,284.60 = 53,941.20/x
  3. Step 3: Cross multiply
    132,820.80x = 199,284.60 × 53,941.20
  4. Step 4: Simplify right side
    132,820.80x = 10,749,650,465.52
  5. Step 5: Solve for x
    x = 10,749,650,465.52/132,820.80
  6. Step 6: Final answer
    x = 80,933.49

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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.