Home / 154,426.29-231,610.90-47,790.37

Finding the Fourth Proportional to 154,426.29, 231,610.90 and 47,790.37

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Solution

The fourth proportional to 154,426.29, 231,610.90 and 47,790.37 is: 71,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426.29 : 231,610.90 = 47,790.37 : x
  2. Step 2: Convert to fraction form
    154,426.29/231,610.90 = 47,790.37/x
  3. Step 3: Cross multiply
    154,426.29x = 231,610.90 × 47,790.37
  4. Step 4: Simplify right side
    154,426.29x = 11,068,769,448.98
  5. Step 5: Solve for x
    x = 11,068,769,448.98/154,426.29
  6. Step 6: Final answer
    x = 71,676.72

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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.