Home / 121,408.18-182,139.33-37,180.18

Finding the Fourth Proportional to 121,408.18, 182,139.33 and 37,180.18

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Solution

The fourth proportional to 121,408.18, 182,139.33 and 37,180.18 is: 55,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,408.18 : 182,139.33 = 37,180.18 : x
  2. Step 2: Convert to fraction form
    121,408.18/182,139.33 = 37,180.18/x
  3. Step 3: Cross multiply
    121,408.18x = 182,139.33 × 37,180.18
  4. Step 4: Simplify right side
    121,408.18x = 6,771,973,074.48
  5. Step 5: Solve for x
    x = 6,771,973,074.48/121,408.18
  6. Step 6: Final answer
    x = 55,778.56

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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.