Home / 127,012.36-175,241.38-100,071.24

Finding the Fourth Proportional to 127,012.36, 175,241.38 and 100,071.24

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Solution

The fourth proportional to 127,012.36, 175,241.38 and 100,071.24 is: 138,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,012.36 : 175,241.38 = 100,071.24 : x
  2. Step 2: Convert to fraction form
    127,012.36/175,241.38 = 100,071.24/x
  3. Step 3: Cross multiply
    127,012.36x = 175,241.38 × 100,071.24
  4. Step 4: Simplify right side
    127,012.36x = 17,536,622,195.91
  5. Step 5: Solve for x
    x = 17,536,622,195.91/127,012.36
  6. Step 6: Final answer
    x = 138,070.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.