Home / 211,742.88-292,183.44-126,857.76

Finding the Fourth Proportional to 211,742.88, 292,183.44 and 126,857.76

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Solution

The fourth proportional to 211,742.88, 292,183.44 and 126,857.76 is: 175,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,742.88 : 292,183.44 = 126,857.76 : x
  2. Step 2: Convert to fraction form
    211,742.88/292,183.44 = 126,857.76/x
  3. Step 3: Cross multiply
    211,742.88x = 292,183.44 × 126,857.76
  4. Step 4: Simplify right side
    211,742.88x = 37,065,736,707.49
  5. Step 5: Solve for x
    x = 37,065,736,707.49/211,742.88
  6. Step 6: Final answer
    x = 175,050.69

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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.