Home / 134,830.55-202,245.83-126,519.95

Finding the Fourth Proportional to 134,830.55, 202,245.83 and 126,519.95

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Solution

The fourth proportional to 134,830.55, 202,245.83 and 126,519.95 is: 189,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,830.55 : 202,245.83 = 126,519.95 : x
  2. Step 2: Convert to fraction form
    134,830.55/202,245.83 = 126,519.95/x
  3. Step 3: Cross multiply
    134,830.55x = 202,245.83 × 126,519.95
  4. Step 4: Simplify right side
    134,830.55x = 25,588,132,299.31
  5. Step 5: Solve for x
    x = 25,588,132,299.31/134,830.55
  6. Step 6: Final answer
    x = 189,779.93

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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.