Home / 102,076.36-152,815.12-71,575.73

Finding the Fourth Proportional to 102,076.36, 152,815.12 and 71,575.73

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Solution

The fourth proportional to 102,076.36, 152,815.12 and 71,575.73 is: 107,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,076.36 : 152,815.12 = 71,575.73 : x
  2. Step 2: Convert to fraction form
    102,076.36/152,815.12 = 71,575.73/x
  3. Step 3: Cross multiply
    102,076.36x = 152,815.12 × 71,575.73
  4. Step 4: Simplify right side
    102,076.36x = 10,937,853,411.16
  5. Step 5: Solve for x
    x = 10,937,853,411.16/102,076.36
  6. Step 6: Final answer
    x = 107,153.64

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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.