Home / 127,689.32-191,556.84-43,445.24

Finding the Fourth Proportional to 127,689.32, 191,556.84 and 43,445.24

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Solution

The fourth proportional to 127,689.32, 191,556.84 and 43,445.24 is: 65,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,689.32 : 191,556.84 = 43,445.24 : x
  2. Step 2: Convert to fraction form
    127,689.32/191,556.84 = 43,445.24/x
  3. Step 3: Cross multiply
    127,689.32x = 191,556.84 × 43,445.24
  4. Step 4: Simplify right side
    127,689.32x = 8,322,232,887.44
  5. Step 5: Solve for x
    x = 8,322,232,887.44/127,689.32
  6. Step 6: Final answer
    x = 65,175.64

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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.