Home / 131,922.48-197,676.18-102,009.78

Finding the Fourth Proportional to 131,922.48, 197,676.18 and 102,009.78

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Solution

The fourth proportional to 131,922.48, 197,676.18 and 102,009.78 is: 152,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,922.48 : 197,676.18 = 102,009.78 : x
  2. Step 2: Convert to fraction form
    131,922.48/197,676.18 = 102,009.78/x
  3. Step 3: Cross multiply
    131,922.48x = 197,676.18 × 102,009.78
  4. Step 4: Simplify right side
    131,922.48x = 20,164,903,633.04
  5. Step 5: Solve for x
    x = 20,164,903,633.04/131,922.48
  6. Step 6: Final answer
    x = 152,854.19

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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.