Home / 154,283.53-231,342.08-69,997.71

Finding the Fourth Proportional to 154,283.53, 231,342.08 and 69,997.71

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Solution

The fourth proportional to 154,283.53, 231,342.08 and 69,997.71 is: 104,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,283.53 : 231,342.08 = 69,997.71 : x
  2. Step 2: Convert to fraction form
    154,283.53/231,342.08 = 69,997.71/x
  3. Step 3: Cross multiply
    154,283.53x = 231,342.08 × 69,997.71
  4. Step 4: Simplify right side
    154,283.53x = 16,193,415,826.64
  5. Step 5: Solve for x
    x = 16,193,415,826.64/154,283.53
  6. Step 6: Final answer
    x = 104,958.81

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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.