Home / 154,655.70-231,983.55-75,923.70

Finding the Fourth Proportional to 154,655.70, 231,983.55 and 75,923.70

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Solution

The fourth proportional to 154,655.70, 231,983.55 and 75,923.70 is: 113,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,655.70 : 231,983.55 = 75,923.70 : x
  2. Step 2: Convert to fraction form
    154,655.70/231,983.55 = 75,923.70/x
  3. Step 3: Cross multiply
    154,655.70x = 231,983.55 × 75,923.70
  4. Step 4: Simplify right side
    154,655.70x = 17,613,049,455.14
  5. Step 5: Solve for x
    x = 17,613,049,455.14/154,655.70
  6. Step 6: Final answer
    x = 113,885.55

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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.