Home / 252,938.68-349,062.42-139,768.84

Finding the Fourth Proportional to 252,938.68, 349,062.42 and 139,768.84

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Solution

The fourth proportional to 252,938.68, 349,062.42 and 139,768.84 is: 192,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,938.68 : 349,062.42 = 139,768.84 : x
  2. Step 2: Convert to fraction form
    252,938.68/349,062.42 = 139,768.84/x
  3. Step 3: Cross multiply
    252,938.68x = 349,062.42 × 139,768.84
  4. Step 4: Simplify right side
    252,938.68x = 48,788,049,530.99
  5. Step 5: Solve for x
    x = 48,788,049,530.99/252,938.68
  6. Step 6: Final answer
    x = 192,884.89

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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.