Home / 154,033.48-231,056.70-75,217.24

Finding the Fourth Proportional to 154,033.48, 231,056.70 and 75,217.24

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Solution

The fourth proportional to 154,033.48, 231,056.70 and 75,217.24 is: 112,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.48 : 231,056.70 = 75,217.24 : x
  2. Step 2: Convert to fraction form
    154,033.48/231,056.70 = 75,217.24/x
  3. Step 3: Cross multiply
    154,033.48x = 231,056.70 × 75,217.24
  4. Step 4: Simplify right side
    154,033.48x = 17,379,447,257.51
  5. Step 5: Solve for x
    x = 17,379,447,257.51/154,033.48
  6. Step 6: Final answer
    x = 112,829.02

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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.