Home / 129,814.32-194,721.52-36,333.84

Finding the Fourth Proportional to 129,814.32, 194,721.52 and 36,333.84

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Solution

The fourth proportional to 129,814.32, 194,721.52 and 36,333.84 is: 54,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,814.32 : 194,721.52 = 36,333.84 : x
  2. Step 2: Convert to fraction form
    129,814.32/194,721.52 = 36,333.84/x
  3. Step 3: Cross multiply
    129,814.32x = 194,721.52 × 36,333.84
  4. Step 4: Simplify right side
    129,814.32x = 7,074,980,552.24
  5. Step 5: Solve for x
    x = 7,074,980,552.24/129,814.32
  6. Step 6: Final answer
    x = 54,500.77

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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.