Home / 147,883.19-204,078.87-79,900.14

Finding the Fourth Proportional to 147,883.19, 204,078.87 and 79,900.14

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Solution

The fourth proportional to 147,883.19, 204,078.87 and 79,900.14 is: 110,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,883.19 : 204,078.87 = 79,900.14 : x
  2. Step 2: Convert to fraction form
    147,883.19/204,078.87 = 79,900.14/x
  3. Step 3: Cross multiply
    147,883.19x = 204,078.87 × 79,900.14
  4. Step 4: Simplify right side
    147,883.19x = 16,305,930,284.04
  5. Step 5: Solve for x
    x = 16,305,930,284.04/147,883.19
  6. Step 6: Final answer
    x = 110,262.23

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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.