Home / 178,905.15-246,883.89-102,421.71

Finding the Fourth Proportional to 178,905.15, 246,883.89 and 102,421.71

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Solution

The fourth proportional to 178,905.15, 246,883.89 and 102,421.71 is: 141,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,905.15 : 246,883.89 = 102,421.71 : x
  2. Step 2: Convert to fraction form
    178,905.15/246,883.89 = 102,421.71/x
  3. Step 3: Cross multiply
    178,905.15x = 246,883.89 × 102,421.71
  4. Step 4: Simplify right side
    178,905.15x = 25,286,270,185.25
  5. Step 5: Solve for x
    x = 25,286,270,185.25/178,905.15
  6. Step 6: Final answer
    x = 141,338.97

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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.