Home / 211,546.18-291,890.80-125,467.39

Finding the Fourth Proportional to 211,546.18, 291,890.80 and 125,467.39

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Solution

The fourth proportional to 211,546.18, 291,890.80 and 125,467.39 is: 173,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,546.18 : 291,890.80 = 125,467.39 : x
  2. Step 2: Convert to fraction form
    211,546.18/291,890.80 = 125,467.39/x
  3. Step 3: Cross multiply
    211,546.18x = 291,890.80 × 125,467.39
  4. Step 4: Simplify right side
    211,546.18x = 36,622,776,841.01
  5. Step 5: Solve for x
    x = 36,622,776,841.01/211,546.18
  6. Step 6: Final answer
    x = 173,119.54

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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.