Home / 97,941.07-146,907.49-31,379.72

Finding the Fourth Proportional to 97,941.07, 146,907.49 and 31,379.72

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Solution

The fourth proportional to 97,941.07, 146,907.49 and 31,379.72 is: 47,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,941.07 : 146,907.49 = 31,379.72 : x
  2. Step 2: Convert to fraction form
    97,941.07/146,907.49 = 31,379.72/x
  3. Step 3: Cross multiply
    97,941.07x = 146,907.49 × 31,379.72
  4. Step 4: Simplify right side
    97,941.07x = 4,609,915,974.31
  5. Step 5: Solve for x
    x = 4,609,915,974.31/97,941.07
  6. Step 6: Final answer
    x = 47,068.26

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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.