Home / 98,771.05-148,038.16-50,690.19

Finding the Fourth Proportional to 98,771.05, 148,038.16 and 50,690.19

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Solution

The fourth proportional to 98,771.05, 148,038.16 and 50,690.19 is: 75,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,771.05 : 148,038.16 = 50,690.19 : x
  2. Step 2: Convert to fraction form
    98,771.05/148,038.16 = 50,690.19/x
  3. Step 3: Cross multiply
    98,771.05x = 148,038.16 × 50,690.19
  4. Step 4: Simplify right side
    98,771.05x = 7,504,082,457.65
  5. Step 5: Solve for x
    x = 7,504,082,457.65/98,771.05
  6. Step 6: Final answer
    x = 75,974.51

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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.