Home / 211,010.22-291,213.90-126,125.46

Finding the Fourth Proportional to 211,010.22, 291,213.90 and 126,125.46

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Solution

The fourth proportional to 211,010.22, 291,213.90 and 126,125.46 is: 174,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,010.22 : 291,213.90 = 126,125.46 : x
  2. Step 2: Convert to fraction form
    211,010.22/291,213.90 = 126,125.46/x
  3. Step 3: Cross multiply
    211,010.22x = 291,213.90 × 126,125.46
  4. Step 4: Simplify right side
    211,010.22x = 36,729,487,095.89
  5. Step 5: Solve for x
    x = 36,729,487,095.89/211,010.22
  6. Step 6: Final answer
    x = 174,064.97

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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.