Home / 143,330.30-214,930.65-64,403.90

Finding the Fourth Proportional to 143,330.30, 214,930.65 and 64,403.90

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Solution

The fourth proportional to 143,330.30, 214,930.65 and 64,403.90 is: 96,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,330.30 : 214,930.65 = 64,403.90 : x
  2. Step 2: Convert to fraction form
    143,330.30/214,930.65 = 64,403.90/x
  3. Step 3: Cross multiply
    143,330.30x = 214,930.65 × 64,403.90
  4. Step 4: Simplify right side
    143,330.30x = 13,842,372,089.54
  5. Step 5: Solve for x
    x = 13,842,372,089.54/143,330.30
  6. Step 6: Final answer
    x = 96,576.73

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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.