Home / 84,111.22-126,189.51-27,960.40

Finding the Fourth Proportional to 84,111.22, 126,189.51 and 27,960.40

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Solution

The fourth proportional to 84,111.22, 126,189.51 and 27,960.40 is: 41,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,111.22 : 126,189.51 = 27,960.40 : x
  2. Step 2: Convert to fraction form
    84,111.22/126,189.51 = 27,960.40/x
  3. Step 3: Cross multiply
    84,111.22x = 126,189.51 × 27,960.40
  4. Step 4: Simplify right side
    84,111.22x = 3,528,309,175.40
  5. Step 5: Solve for x
    x = 3,528,309,175.40/84,111.22
  6. Step 6: Final answer
    x = 41,948.14

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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.