Home / 129,244.32-193,880.37-54,372.08

Finding the Fourth Proportional to 129,244.32, 193,880.37 and 54,372.08

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Solution

The fourth proportional to 129,244.32, 193,880.37 and 54,372.08 is: 81,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,244.32 : 193,880.37 = 54,372.08 : x
  2. Step 2: Convert to fraction form
    129,244.32/193,880.37 = 54,372.08/x
  3. Step 3: Cross multiply
    129,244.32x = 193,880.37 × 54,372.08
  4. Step 4: Simplify right side
    129,244.32x = 10,541,678,018.67
  5. Step 5: Solve for x
    x = 10,541,678,018.67/129,244.32
  6. Step 6: Final answer
    x = 81,563.96

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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.