Home / 97,653.40-146,473.82-31,141.20

Finding the Fourth Proportional to 97,653.40, 146,473.82 and 31,141.20

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Solution

The fourth proportional to 97,653.40, 146,473.82 and 31,141.20 is: 46,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,653.40 : 146,473.82 = 31,141.20 : x
  2. Step 2: Convert to fraction form
    97,653.40/146,473.82 = 31,141.20/x
  3. Step 3: Cross multiply
    97,653.40x = 146,473.82 × 31,141.20
  4. Step 4: Simplify right side
    97,653.40x = 4,561,370,523.38
  5. Step 5: Solve for x
    x = 4,561,370,523.38/97,653.40
  6. Step 6: Final answer
    x = 46,709.80

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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.