Home / 154,611.20-231,916.80-49,433.60

Finding the Fourth Proportional to 154,611.20, 231,916.80 and 49,433.60

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Solution

The fourth proportional to 154,611.20, 231,916.80 and 49,433.60 is: 74,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,611.20 : 231,916.80 = 49,433.60 : x
  2. Step 2: Convert to fraction form
    154,611.20/231,916.80 = 49,433.60/x
  3. Step 3: Cross multiply
    154,611.20x = 231,916.80 × 49,433.60
  4. Step 4: Simplify right side
    154,611.20x = 11,464,482,324.48
  5. Step 5: Solve for x
    x = 11,464,482,324.48/154,611.20
  6. Step 6: Final answer
    x = 74,150.40

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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.