Home / 127,398.96-190,966.68-43,131.24

Finding the Fourth Proportional to 127,398.96, 190,966.68 and 43,131.24

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Solution

The fourth proportional to 127,398.96, 190,966.68 and 43,131.24 is: 64,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,398.96 : 190,966.68 = 43,131.24 : x
  2. Step 2: Convert to fraction form
    127,398.96/190,966.68 = 43,131.24/x
  3. Step 3: Cross multiply
    127,398.96x = 190,966.68 × 43,131.24
  4. Step 4: Simplify right side
    127,398.96x = 8,236,629,707.08
  5. Step 5: Solve for x
    x = 8,236,629,707.08/127,398.96
  6. Step 6: Final answer
    x = 64,652.25

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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.