Home / 143,964.40-215,962.80-44,123.80

Finding the Fourth Proportional to 143,964.40, 215,962.80 and 44,123.80

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Solution

The fourth proportional to 143,964.40, 215,962.80 and 44,123.80 is: 66,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,964.40 : 215,962.80 = 44,123.80 : x
  2. Step 2: Convert to fraction form
    143,964.40/215,962.80 = 44,123.80/x
  3. Step 3: Cross multiply
    143,964.40x = 215,962.80 × 44,123.80
  4. Step 4: Simplify right side
    143,964.40x = 9,529,099,394.64
  5. Step 5: Solve for x
    x = 9,529,099,394.64/143,964.40
  6. Step 6: Final answer
    x = 66,190.67

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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.