Home / 160,379.42-240,499.07-76,163.72

Finding the Fourth Proportional to 160,379.42, 240,499.07 and 76,163.72

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Solution

The fourth proportional to 160,379.42, 240,499.07 and 76,163.72 is: 114,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,379.42 : 240,499.07 = 76,163.72 : x
  2. Step 2: Convert to fraction form
    160,379.42/240,499.07 = 76,163.72/x
  3. Step 3: Cross multiply
    160,379.42x = 240,499.07 × 76,163.72
  4. Step 4: Simplify right side
    160,379.42x = 18,317,303,827.74
  5. Step 5: Solve for x
    x = 18,317,303,827.74/160,379.42
  6. Step 6: Final answer
    x = 114,212.31

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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.