Home / 204,953.07-307,479.63-78,591.06

Finding the Fourth Proportional to 204,953.07, 307,479.63 and 78,591.06

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Solution

The fourth proportional to 204,953.07, 307,479.63 and 78,591.06 is: 117,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,953.07 : 307,479.63 = 78,591.06 : x
  2. Step 2: Convert to fraction form
    204,953.07/307,479.63 = 78,591.06/x
  3. Step 3: Cross multiply
    204,953.07x = 307,479.63 × 78,591.06
  4. Step 4: Simplify right side
    204,953.07x = 24,165,150,050.11
  5. Step 5: Solve for x
    x = 24,165,150,050.11/204,953.07
  6. Step 6: Final answer
    x = 117,905.77

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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.