Home / 102,107.60-153,161.46-31,992.38

Finding the Fourth Proportional to 102,107.60, 153,161.46 and 31,992.38

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Solution

The fourth proportional to 102,107.60, 153,161.46 and 31,992.38 is: 47,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,107.60 : 153,161.46 = 31,992.38 : x
  2. Step 2: Convert to fraction form
    102,107.60/153,161.46 = 31,992.38/x
  3. Step 3: Cross multiply
    102,107.60x = 153,161.46 × 31,992.38
  4. Step 4: Simplify right side
    102,107.60x = 4,899,998,863.87
  5. Step 5: Solve for x
    x = 4,899,998,863.87/102,107.60
  6. Step 6: Final answer
    x = 47,988.58

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1.5x scale

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.