Home / 84,199.38-126,203.61-28,026.30

Finding the Fourth Proportional to 84,199.38, 126,203.61 and 28,026.30

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Solution

The fourth proportional to 84,199.38, 126,203.61 and 28,026.30 is: 42,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199.38 : 126,203.61 = 28,026.30 : x
  2. Step 2: Convert to fraction form
    84,199.38/126,203.61 = 28,026.30/x
  3. Step 3: Cross multiply
    84,199.38x = 126,203.61 × 28,026.30
  4. Step 4: Simplify right side
    84,199.38x = 3,537,020,234.94
  5. Step 5: Solve for x
    x = 3,537,020,234.94/84,199.38
  6. Step 6: Final answer
    x = 42,007.68

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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.