Home / 70,271.33-105,238.10-40,194.38

Finding the Fourth Proportional to 70,271.33, 105,238.10 and 40,194.38

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Solution

The fourth proportional to 70,271.33, 105,238.10 and 40,194.38 is: 60,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,271.33 : 105,238.10 = 40,194.38 : x
  2. Step 2: Convert to fraction form
    70,271.33/105,238.10 = 40,194.38/x
  3. Step 3: Cross multiply
    70,271.33x = 105,238.10 × 40,194.38
  4. Step 4: Simplify right side
    70,271.33x = 4,229,980,244.00
  5. Step 5: Solve for x
    x = 4,229,980,244.00/70,271.33
  6. Step 6: Final answer
    x = 60,194.96

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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.