Home / 121,453.20-182,179.80-38,347.20

Finding the Fourth Proportional to 121,453.20, 182,179.80 and 38,347.20

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Solution

The fourth proportional to 121,453.20, 182,179.80 and 38,347.20 is: 57,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453.20 : 182,179.80 = 38,347.20 : x
  2. Step 2: Convert to fraction form
    121,453.20/182,179.80 = 38,347.20/x
  3. Step 3: Cross multiply
    121,453.20x = 182,179.80 × 38,347.20
  4. Step 4: Simplify right side
    121,453.20x = 6,986,085,226.56
  5. Step 5: Solve for x
    x = 6,986,085,226.56/121,453.20
  6. Step 6: Final answer
    x = 57,520.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.