Home / 76,190.16-113,821.92-49,317.24

Finding the Fourth Proportional to 76,190.16, 113,821.92 and 49,317.24

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Solution

The fourth proportional to 76,190.16, 113,821.92 and 49,317.24 is: 73,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,190.16 : 113,821.92 = 49,317.24 : x
  2. Step 2: Convert to fraction form
    76,190.16/113,821.92 = 49,317.24/x
  3. Step 3: Cross multiply
    76,190.16x = 113,821.92 × 49,317.24
  4. Step 4: Simplify right side
    76,190.16x = 5,613,382,945.90
  5. Step 5: Solve for x
    x = 5,613,382,945.90/76,190.16
  6. Step 6: Final answer
    x = 73,675.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.