Home / 154,559.20-231,838.80-49,381.60

Finding the Fourth Proportional to 154,559.20, 231,838.80 and 49,381.60

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Solution

The fourth proportional to 154,559.20, 231,838.80 and 49,381.60 is: 74,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559.20 : 231,838.80 = 49,381.60 : x
  2. Step 2: Convert to fraction form
    154,559.20/231,838.80 = 49,381.60/x
  3. Step 3: Cross multiply
    154,559.20x = 231,838.80 × 49,381.60
  4. Step 4: Simplify right side
    154,559.20x = 11,448,570,886.08
  5. Step 5: Solve for x
    x = 11,448,570,886.08/154,559.20
  6. Step 6: Final answer
    x = 74,072.40

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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.