Home / 121,476.11-182,136.12-50,447.74

Finding the Fourth Proportional to 121,476.11, 182,136.12 and 50,447.74

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Solution

The fourth proportional to 121,476.11, 182,136.12 and 50,447.74 is: 75,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,476.11 : 182,136.12 = 50,447.74 : x
  2. Step 2: Convert to fraction form
    121,476.11/182,136.12 = 50,447.74/x
  3. Step 3: Cross multiply
    121,476.11x = 182,136.12 × 50,447.74
  4. Step 4: Simplify right side
    121,476.11x = 9,188,355,626.37
  5. Step 5: Solve for x
    x = 9,188,355,626.37/121,476.11
  6. Step 6: Final answer
    x = 75,639.20

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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.