Home / 105,881.58-146,118.94-58,135.12

Finding the Fourth Proportional to 105,881.58, 146,118.94 and 58,135.12

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Solution

The fourth proportional to 105,881.58, 146,118.94 and 58,135.12 is: 80,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,881.58 : 146,118.94 = 58,135.12 : x
  2. Step 2: Convert to fraction form
    105,881.58/146,118.94 = 58,135.12/x
  3. Step 3: Cross multiply
    105,881.58x = 146,118.94 × 58,135.12
  4. Step 4: Simplify right side
    105,881.58x = 8,494,641,600.54
  5. Step 5: Solve for x
    x = 8,494,641,600.54/105,881.58
  6. Step 6: Final answer
    x = 80,227.76

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1.5x scale

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.