Home / 97,687.42-146,529.53-31,126.65

Finding the Fourth Proportional to 97,687.42, 146,529.53 and 31,126.65

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Solution

The fourth proportional to 97,687.42, 146,529.53 and 31,126.65 is: 46,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,687.42 : 146,529.53 = 31,126.65 : x
  2. Step 2: Convert to fraction form
    97,687.42/146,529.53 = 31,126.65/x
  3. Step 3: Cross multiply
    97,687.42x = 146,529.53 × 31,126.65
  4. Step 4: Simplify right side
    97,687.42x = 4,560,973,394.97
  5. Step 5: Solve for x
    x = 4,560,973,394.97/97,687.42
  6. Step 6: Final answer
    x = 46,689.47

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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.