Home / 134,495.64-185,605.38-74,067.48

Finding the Fourth Proportional to 134,495.64, 185,605.38 and 74,067.48

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Solution

The fourth proportional to 134,495.64, 185,605.38 and 74,067.48 is: 102,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,495.64 : 185,605.38 = 74,067.48 : x
  2. Step 2: Convert to fraction form
    134,495.64/185,605.38 = 74,067.48/x
  3. Step 3: Cross multiply
    134,495.64x = 185,605.38 × 74,067.48
  4. Step 4: Simplify right side
    134,495.64x = 13,747,322,771.04
  5. Step 5: Solve for x
    x = 13,747,322,771.04/134,495.64
  6. Step 6: Final answer
    x = 102,213.89

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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.