Home / 165,378.21-228,315.44-126,542.82

Finding the Fourth Proportional to 165,378.21, 228,315.44 and 126,542.82

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Solution

The fourth proportional to 165,378.21, 228,315.44 and 126,542.82 is: 174,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,378.21 : 228,315.44 = 126,542.82 : x
  2. Step 2: Convert to fraction form
    165,378.21/228,315.44 = 126,542.82/x
  3. Step 3: Cross multiply
    165,378.21x = 228,315.44 × 126,542.82
  4. Step 4: Simplify right side
    165,378.21x = 28,891,678,994.43
  5. Step 5: Solve for x
    x = 28,891,678,994.43/165,378.21
  6. Step 6: Final answer
    x = 174,700.64

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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.