Home / 218,171.22-301,065.26-122,672.22

Finding the Fourth Proportional to 218,171.22, 301,065.26 and 122,672.22

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Solution

The fourth proportional to 218,171.22, 301,065.26 and 122,672.22 is: 169,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,171.22 : 301,065.26 = 122,672.22 : x
  2. Step 2: Convert to fraction form
    218,171.22/301,065.26 = 122,672.22/x
  3. Step 3: Cross multiply
    218,171.22x = 301,065.26 × 122,672.22
  4. Step 4: Simplify right side
    218,171.22x = 36,932,343,809.08
  5. Step 5: Solve for x
    x = 36,932,343,809.08/218,171.22
  6. Step 6: Final answer
    x = 169,281.47

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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.