Home / 142,279.11-213,418.68-37,097.79

Finding the Fourth Proportional to 142,279.11, 213,418.68 and 37,097.79

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Solution

The fourth proportional to 142,279.11, 213,418.68 and 37,097.79 is: 55,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,279.11 : 213,418.68 = 37,097.79 : x
  2. Step 2: Convert to fraction form
    142,279.11/213,418.68 = 37,097.79/x
  3. Step 3: Cross multiply
    142,279.11x = 213,418.68 × 37,097.79
  4. Step 4: Simplify right side
    142,279.11x = 7,917,361,372.72
  5. Step 5: Solve for x
    x = 7,917,361,372.72/142,279.11
  6. Step 6: Final answer
    x = 55,646.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.