Home / 142,340.64-213,514.80-37,157.28

Finding the Fourth Proportional to 142,340.64, 213,514.80 and 37,157.28

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Solution

The fourth proportional to 142,340.64, 213,514.80 and 37,157.28 is: 55,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,340.64 : 213,514.80 = 37,157.28 : x
  2. Step 2: Convert to fraction form
    142,340.64/213,514.80 = 37,157.28/x
  3. Step 3: Cross multiply
    142,340.64x = 213,514.80 × 37,157.28
  4. Step 4: Simplify right side
    142,340.64x = 7,933,629,207.74
  5. Step 5: Solve for x
    x = 7,933,629,207.74/142,340.64
  6. Step 6: Final answer
    x = 55,736.92

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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.