Home / 134,846.10-186,088.41-74,418.30

Finding the Fourth Proportional to 134,846.10, 186,088.41 and 74,418.30

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Solution

The fourth proportional to 134,846.10, 186,088.41 and 74,418.30 is: 102,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,846.10 : 186,088.41 = 74,418.30 : x
  2. Step 2: Convert to fraction form
    134,846.10/186,088.41 = 74,418.30/x
  3. Step 3: Cross multiply
    134,846.10x = 186,088.41 × 74,418.30
  4. Step 4: Simplify right side
    134,846.10x = 13,848,383,121.90
  5. Step 5: Solve for x
    x = 13,848,383,121.90/134,846.10
  6. Step 6: Final answer
    x = 102,697.69

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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.