Home / 132,846.82-183,321.91-75,478.63

Finding the Fourth Proportional to 132,846.82, 183,321.91 and 75,478.63

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Solution

The fourth proportional to 132,846.82, 183,321.91 and 75,478.63 is: 104,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,846.82 : 183,321.91 = 75,478.63 : x
  2. Step 2: Convert to fraction form
    132,846.82/183,321.91 = 75,478.63/x
  3. Step 3: Cross multiply
    132,846.82x = 183,321.91 × 75,478.63
  4. Step 4: Simplify right side
    132,846.82x = 13,836,886,615.78
  5. Step 5: Solve for x
    x = 13,836,886,615.78/132,846.82
  6. Step 6: Final answer
    x = 104,156.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.