Home / 211,222.71-291,476.19-120,575.07

Finding the Fourth Proportional to 211,222.71, 291,476.19 and 120,575.07

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Solution

The fourth proportional to 211,222.71, 291,476.19 and 120,575.07 is: 166,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,222.71 : 291,476.19 = 120,575.07 : x
  2. Step 2: Convert to fraction form
    211,222.71/291,476.19 = 120,575.07/x
  3. Step 3: Cross multiply
    211,222.71x = 291,476.19 × 120,575.07
  4. Step 4: Simplify right side
    211,222.71x = 35,144,762,012.58
  5. Step 5: Solve for x
    x = 35,144,762,012.58/211,222.71
  6. Step 6: Final answer
    x = 166,387.23

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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.