Home / 77,675.25-116,262.25-40,183.71

Finding the Fourth Proportional to 77,675.25, 116,262.25 and 40,183.71

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Solution

The fourth proportional to 77,675.25, 116,262.25 and 40,183.71 is: 60,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,675.25 : 116,262.25 = 40,183.71 : x
  2. Step 2: Convert to fraction form
    77,675.25/116,262.25 = 40,183.71/x
  3. Step 3: Cross multiply
    77,675.25x = 116,262.25 × 40,183.71
  4. Step 4: Simplify right side
    77,675.25x = 4,671,848,537.95
  5. Step 5: Solve for x
    x = 4,671,848,537.95/77,675.25
  6. Step 6: Final answer
    x = 60,145.91

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1.5x scale

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.