Home / 143,572.89-215,379.06-48,777.63

Finding the Fourth Proportional to 143,572.89, 215,379.06 and 48,777.63

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Solution

The fourth proportional to 143,572.89, 215,379.06 and 48,777.63 is: 73,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,572.89 : 215,379.06 = 48,777.63 : x
  2. Step 2: Convert to fraction form
    143,572.89/215,379.06 = 48,777.63/x
  3. Step 3: Cross multiply
    143,572.89x = 215,379.06 × 48,777.63
  4. Step 4: Simplify right side
    143,572.89x = 10,505,680,098.43
  5. Step 5: Solve for x
    x = 10,505,680,098.43/143,572.89
  6. Step 6: Final answer
    x = 73,173.15

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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.