Home / 143,650.44-215,459.19-54,901.98

Finding the Fourth Proportional to 143,650.44, 215,459.19 and 54,901.98

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Solution

The fourth proportional to 143,650.44, 215,459.19 and 54,901.98 is: 82,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650.44 : 215,459.19 = 54,901.98 : x
  2. Step 2: Convert to fraction form
    143,650.44/215,459.19 = 54,901.98/x
  3. Step 3: Cross multiply
    143,650.44x = 215,459.19 × 54,901.98
  4. Step 4: Simplify right side
    143,650.44x = 11,829,136,140.20
  5. Step 5: Solve for x
    x = 11,829,136,140.20/143,650.44
  6. Step 6: Final answer
    x = 82,346.68

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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.