Home / 112,112.76-168,164.24-27,871.12

Finding the Fourth Proportional to 112,112.76, 168,164.24 and 27,871.12

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Solution

The fourth proportional to 112,112.76, 168,164.24 and 27,871.12 is: 41,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,112.76 : 168,164.24 = 27,871.12 : x
  2. Step 2: Convert to fraction form
    112,112.76/168,164.24 = 27,871.12/x
  3. Step 3: Cross multiply
    112,112.76x = 168,164.24 × 27,871.12
  4. Step 4: Simplify right side
    112,112.76x = 4,686,925,712.75
  5. Step 5: Solve for x
    x = 4,686,925,712.75/112,112.76
  6. Step 6: Final answer
    x = 41,805.46

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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.