Home / 97,706.56-146,570.46-31,131.04

Finding the Fourth Proportional to 97,706.56, 146,570.46 and 31,131.04

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Solution

The fourth proportional to 97,706.56, 146,570.46 and 31,131.04 is: 46,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,706.56 : 146,570.46 = 31,131.04 : x
  2. Step 2: Convert to fraction form
    97,706.56/146,570.46 = 31,131.04/x
  3. Step 3: Cross multiply
    97,706.56x = 146,570.46 × 31,131.04
  4. Step 4: Simplify right side
    97,706.56x = 4,562,890,853.08
  5. Step 5: Solve for x
    x = 4,562,890,853.08/97,706.56
  6. Step 6: Final answer
    x = 46,699.94

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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.