Home / 154,169.81-231,279.64-47,528.81

Finding the Fourth Proportional to 154,169.81, 231,279.64 and 47,528.81

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Solution

The fourth proportional to 154,169.81, 231,279.64 and 47,528.81 is: 71,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,169.81 : 231,279.64 = 47,528.81 : x
  2. Step 2: Convert to fraction form
    154,169.81/231,279.64 = 47,528.81/x
  3. Step 3: Cross multiply
    154,169.81x = 231,279.64 × 47,528.81
  4. Step 4: Simplify right side
    154,169.81x = 10,992,446,066.43
  5. Step 5: Solve for x
    x = 10,992,446,066.43/154,169.81
  6. Step 6: Final answer
    x = 71,300.90

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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.