Home / 127,146.20-190,714.68-38,397.42

Finding the Fourth Proportional to 127,146.20, 190,714.68 and 38,397.42

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Solution

The fourth proportional to 127,146.20, 190,714.68 and 38,397.42 is: 57,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,146.20 : 190,714.68 = 38,397.42 : x
  2. Step 2: Convert to fraction form
    127,146.20/190,714.68 = 38,397.42/x
  3. Step 3: Cross multiply
    127,146.20x = 190,714.68 × 38,397.42
  4. Step 4: Simplify right side
    127,146.20x = 7,322,951,668.13
  5. Step 5: Solve for x
    x = 7,322,951,668.13/127,146.20
  6. Step 6: Final answer
    x = 57,594.74

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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.