Home / 187,813.60-259,181.28-102,930.46

Finding the Fourth Proportional to 187,813.60, 259,181.28 and 102,930.46

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Solution

The fourth proportional to 187,813.60, 259,181.28 and 102,930.46 is: 142,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,813.60 : 259,181.28 = 102,930.46 : x
  2. Step 2: Convert to fraction form
    187,813.60/259,181.28 = 102,930.46/x
  3. Step 3: Cross multiply
    187,813.60x = 259,181.28 × 102,930.46
  4. Step 4: Simplify right side
    187,813.60x = 26,677,648,373.79
  5. Step 5: Solve for x
    x = 26,677,648,373.79/187,813.60
  6. Step 6: Final answer
    x = 142,043.22

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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.