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Finding the Fourth Proportional to 125,846.32, 188,713 and 37,068.72

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Solution

The fourth proportional to 125,846.32, 188,713 and 37,068.72 is: 55,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,846.32 : 188,713 = 37,068.72 : x
  2. Step 2: Convert to fraction form
    125,846.32/188,713 = 37,068.72/x
  3. Step 3: Cross multiply
    125,846.32x = 188,713 × 37,068.72
  4. Step 4: Simplify right side
    125,846.32x = 6,995,349,357.36
  5. Step 5: Solve for x
    x = 6,995,349,357.36/125,846.32
  6. Step 6: Final answer
    x = 55,586.44

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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.