Home / 245,230.20-367,845.30-126,937.80

Finding the Fourth Proportional to 245,230.20, 367,845.30 and 126,937.80

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Solution

The fourth proportional to 245,230.20, 367,845.30 and 126,937.80 is: 190,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,230.20 : 367,845.30 = 126,937.80 : x
  2. Step 2: Convert to fraction form
    245,230.20/367,845.30 = 126,937.80/x
  3. Step 3: Cross multiply
    245,230.20x = 367,845.30 × 126,937.80
  4. Step 4: Simplify right side
    245,230.20x = 46,693,473,122.34
  5. Step 5: Solve for x
    x = 46,693,473,122.34/245,230.20
  6. Step 6: Final answer
    x = 190,406.70

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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.