Home / 154,106.60-231,160.62-65,337.80

Finding the Fourth Proportional to 154,106.60, 231,160.62 and 65,337.80

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Solution

The fourth proportional to 154,106.60, 231,160.62 and 65,337.80 is: 98,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,106.60 : 231,160.62 = 65,337.80 : x
  2. Step 2: Convert to fraction form
    154,106.60/231,160.62 = 65,337.80/x
  3. Step 3: Cross multiply
    154,106.60x = 231,160.62 × 65,337.80
  4. Step 4: Simplify right side
    154,106.60x = 15,103,526,357.44
  5. Step 5: Solve for x
    x = 15,103,526,357.44/154,106.60
  6. Step 6: Final answer
    x = 98,007.01

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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.