Home / 154,056.60-231,279.30-83,035.80

Finding the Fourth Proportional to 154,056.60, 231,279.30 and 83,035.80

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Solution

The fourth proportional to 154,056.60, 231,279.30 and 83,035.80 is: 124,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,056.60 : 231,279.30 = 83,035.80 : x
  2. Step 2: Convert to fraction form
    154,056.60/231,279.30 = 83,035.80/x
  3. Step 3: Cross multiply
    154,056.60x = 231,279.30 × 83,035.80
  4. Step 4: Simplify right side
    154,056.60x = 19,204,461,698.94
  5. Step 5: Solve for x
    x = 19,204,461,698.94/154,056.60
  6. Step 6: Final answer
    x = 124,658.48

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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.