Home / 97,731.05-146,610.55-31,171.94

Finding the Fourth Proportional to 97,731.05, 146,610.55 and 31,171.94

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Solution

The fourth proportional to 97,731.05, 146,610.55 and 31,171.94 is: 46,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.05 : 146,610.55 = 31,171.94 : x
  2. Step 2: Convert to fraction form
    97,731.05/146,610.55 = 31,171.94/x
  3. Step 3: Cross multiply
    97,731.05x = 146,610.55 × 31,171.94
  4. Step 4: Simplify right side
    97,731.05x = 4,570,134,534.91
  5. Step 5: Solve for x
    x = 4,570,134,534.91/97,731.05
  6. Step 6: Final answer
    x = 46,762.36

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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.