Home / 211,008.22-291,211.14-126,123.46

Finding the Fourth Proportional to 211,008.22, 291,211.14 and 126,123.46

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Solution

The fourth proportional to 211,008.22, 291,211.14 and 126,123.46 is: 174,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,008.22 : 291,211.14 = 126,123.46 : x
  2. Step 2: Convert to fraction form
    211,008.22/291,211.14 = 126,123.46/x
  3. Step 3: Cross multiply
    211,008.22x = 291,211.14 × 126,123.46
  4. Step 4: Simplify right side
    211,008.22x = 36,728,556,567.34
  5. Step 5: Solve for x
    x = 36,728,556,567.34/211,008.22
  6. Step 6: Final answer
    x = 174,062.21

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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.