Home / 111,447.20-153,797.52-61,147.04

Finding the Fourth Proportional to 111,447.20, 153,797.52 and 61,147.04

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Solution

The fourth proportional to 111,447.20, 153,797.52 and 61,147.04 is: 84,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,447.20 : 153,797.52 = 61,147.04 : x
  2. Step 2: Convert to fraction form
    111,447.20/153,797.52 = 61,147.04/x
  3. Step 3: Cross multiply
    111,447.20x = 153,797.52 × 61,147.04
  4. Step 4: Simplify right side
    111,447.20x = 9,404,263,107.34
  5. Step 5: Solve for x
    x = 9,404,263,107.34/111,447.20
  6. Step 6: Final answer
    x = 84,383.13

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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.