Home / 106,170.27-146,511.32-58,419.15

Finding the Fourth Proportional to 106,170.27, 146,511.32 and 58,419.15

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Solution

The fourth proportional to 106,170.27, 146,511.32 and 58,419.15 is: 80,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,170.27 : 146,511.32 = 58,419.15 : x
  2. Step 2: Convert to fraction form
    106,170.27/146,511.32 = 58,419.15/x
  3. Step 3: Cross multiply
    106,170.27x = 146,511.32 × 58,419.15
  4. Step 4: Simplify right side
    106,170.27x = 8,559,066,487.68
  5. Step 5: Solve for x
    x = 8,559,066,487.68/106,170.27
  6. Step 6: Final answer
    x = 80,616.41

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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.