Home / 154,639.44-231,959.16-71,522.64

Finding the Fourth Proportional to 154,639.44, 231,959.16 and 71,522.64

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Solution

The fourth proportional to 154,639.44, 231,959.16 and 71,522.64 is: 107,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,639.44 : 231,959.16 = 71,522.64 : x
  2. Step 2: Convert to fraction form
    154,639.44/231,959.16 = 71,522.64/x
  3. Step 3: Cross multiply
    154,639.44x = 231,959.16 × 71,522.64
  4. Step 4: Simplify right side
    154,639.44x = 16,590,331,495.38
  5. Step 5: Solve for x
    x = 16,590,331,495.38/154,639.44
  6. Step 6: Final answer
    x = 107,283.96

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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.