Home / 84,936.10-127,404.15-73,272.10

Finding the Fourth Proportional to 84,936.10, 127,404.15 and 73,272.10

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Solution

The fourth proportional to 84,936.10, 127,404.15 and 73,272.10 is: 109,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,936.10 : 127,404.15 = 73,272.10 : x
  2. Step 2: Convert to fraction form
    84,936.10/127,404.15 = 73,272.10/x
  3. Step 3: Cross multiply
    84,936.10x = 127,404.15 × 73,272.10
  4. Step 4: Simplify right side
    84,936.10x = 9,335,169,619.22
  5. Step 5: Solve for x
    x = 9,335,169,619.22/84,936.10
  6. Step 6: Final answer
    x = 109,908.15

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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.