Home / 146,499.38-202,169.14-79,431.38

Finding the Fourth Proportional to 146,499.38, 202,169.14 and 79,431.38

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Solution

The fourth proportional to 146,499.38, 202,169.14 and 79,431.38 is: 109,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,499.38 : 202,169.14 = 79,431.38 : x
  2. Step 2: Convert to fraction form
    146,499.38/202,169.14 = 79,431.38/x
  3. Step 3: Cross multiply
    146,499.38x = 202,169.14 × 79,431.38
  4. Step 4: Simplify right side
    146,499.38x = 16,058,572,574.19
  5. Step 5: Solve for x
    x = 16,058,572,574.19/146,499.38
  6. Step 6: Final answer
    x = 109,615.30

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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.