Home / 84,559.34-126,840.25-40,190.62

Finding the Fourth Proportional to 84,559.34, 126,840.25 and 40,190.62

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Solution

The fourth proportional to 84,559.34, 126,840.25 and 40,190.62 is: 60,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.34 : 126,840.25 = 40,190.62 : x
  2. Step 2: Convert to fraction form
    84,559.34/126,840.25 = 40,190.62/x
  3. Step 3: Cross multiply
    84,559.34x = 126,840.25 × 40,190.62
  4. Step 4: Simplify right side
    84,559.34x = 5,097,788,288.46
  5. Step 5: Solve for x
    x = 5,097,788,288.46/84,559.34
  6. Step 6: Final answer
    x = 60,286.52

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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.