Home / 309,172.42-463,933.98-131,660.92

Finding the Fourth Proportional to 309,172.42, 463,933.98 and 131,660.92

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Solution

The fourth proportional to 309,172.42, 463,933.98 and 131,660.92 is: 197,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,172.42 : 463,933.98 = 131,660.92 : x
  2. Step 2: Convert to fraction form
    309,172.42/463,933.98 = 131,660.92/x
  3. Step 3: Cross multiply
    309,172.42x = 463,933.98 × 131,660.92
  4. Step 4: Simplify right side
    309,172.42x = 61,081,974,626.06
  5. Step 5: Solve for x
    x = 61,081,974,626.06/309,172.42
  6. Step 6: Final answer
    x = 197,566.05

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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.