Home / 146,458.13-202,112.24-79,390.13

Finding the Fourth Proportional to 146,458.13, 202,112.24 and 79,390.13

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Solution

The fourth proportional to 146,458.13, 202,112.24 and 79,390.13 is: 109,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,458.13 : 202,112.24 = 79,390.13 : x
  2. Step 2: Convert to fraction form
    146,458.13/202,112.24 = 79,390.13/x
  3. Step 3: Cross multiply
    146,458.13x = 202,112.24 × 79,390.13
  4. Step 4: Simplify right side
    146,458.13x = 16,045,715,600.68
  5. Step 5: Solve for x
    x = 16,045,715,600.68/146,458.13
  6. Step 6: Final answer
    x = 109,558.38

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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.