Home / 134,452.80-185,537.52-74,021.16

Finding the Fourth Proportional to 134,452.80, 185,537.52 and 74,021.16

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Solution

The fourth proportional to 134,452.80, 185,537.52 and 74,021.16 is: 102,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,452.80 : 185,537.52 = 74,021.16 : x
  2. Step 2: Convert to fraction form
    134,452.80/185,537.52 = 74,021.16/x
  3. Step 3: Cross multiply
    134,452.80x = 185,537.52 × 74,021.16
  4. Step 4: Simplify right side
    134,452.80x = 13,733,702,453.92
  5. Step 5: Solve for x
    x = 13,733,702,453.92/134,452.80
  6. Step 6: Final answer
    x = 102,145.16

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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.