Home / 254,762.11-382,205.82-126,738.85

Finding the Fourth Proportional to 254,762.11, 382,205.82 and 126,738.85

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Solution

The fourth proportional to 254,762.11, 382,205.82 and 126,738.85 is: 190,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,762.11 : 382,205.82 = 126,738.85 : x
  2. Step 2: Convert to fraction form
    254,762.11/382,205.82 = 126,738.85/x
  3. Step 3: Cross multiply
    254,762.11x = 382,205.82 × 126,738.85
  4. Step 4: Simplify right side
    254,762.11x = 48,440,326,332.09
  5. Step 5: Solve for x
    x = 48,440,326,332.09/254,762.11
  6. Step 6: Final answer
    x = 190,139.44

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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.