Home / 154,084.56-231,080.88-65,336.64

Finding the Fourth Proportional to 154,084.56, 231,080.88 and 65,336.64

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Solution

The fourth proportional to 154,084.56, 231,080.88 and 65,336.64 is: 97,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,084.56 : 231,080.88 = 65,336.64 : x
  2. Step 2: Convert to fraction form
    154,084.56/231,080.88 = 65,336.64/x
  3. Step 3: Cross multiply
    154,084.56x = 231,080.88 × 65,336.64
  4. Step 4: Simplify right side
    154,084.56x = 15,098,048,267.44
  5. Step 5: Solve for x
    x = 15,098,048,267.44/154,084.56
  6. Step 6: Final answer
    x = 97,985.47

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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.