Home / 121,371-181,934.08-50,195.38

Finding the Fourth Proportional to 121,371, 181,934.08 and 50,195.38

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Solution

The fourth proportional to 121,371, 181,934.08 and 50,195.38 is: 75,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,371 : 181,934.08 = 50,195.38 : x
  2. Step 2: Convert to fraction form
    121,371/181,934.08 = 50,195.38/x
  3. Step 3: Cross multiply
    121,371x = 181,934.08 × 50,195.38
  4. Step 4: Simplify right side
    121,371x = 9,132,250,280.55
  5. Step 5: Solve for x
    x = 9,132,250,280.55/121,371
  6. Step 6: Final answer
    x = 75,242.44

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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.