Home / 154,284.53-231,343.58-69,998.71

Finding the Fourth Proportional to 154,284.53, 231,343.58 and 69,998.71

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Solution

The fourth proportional to 154,284.53, 231,343.58 and 69,998.71 is: 104,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,284.53 : 231,343.58 = 69,998.71 : x
  2. Step 2: Convert to fraction form
    154,284.53/231,343.58 = 69,998.71/x
  3. Step 3: Cross multiply
    154,284.53x = 231,343.58 × 69,998.71
  4. Step 4: Simplify right side
    154,284.53x = 16,193,752,166.78
  5. Step 5: Solve for x
    x = 16,193,752,166.78/154,284.53
  6. Step 6: Final answer
    x = 104,960.31

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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.