Home / 134,908.64-186,198.29-80,464.30

Finding the Fourth Proportional to 134,908.64, 186,198.29 and 80,464.30

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Solution

The fourth proportional to 134,908.64, 186,198.29 and 80,464.30 is: 111,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,908.64 : 186,198.29 = 80,464.30 : x
  2. Step 2: Convert to fraction form
    134,908.64/186,198.29 = 80,464.30/x
  3. Step 3: Cross multiply
    134,908.64x = 186,198.29 × 80,464.30
  4. Step 4: Simplify right side
    134,908.64x = 14,982,314,801.71
  5. Step 5: Solve for x
    x = 14,982,314,801.71/134,908.64
  6. Step 6: Final answer
    x = 111,055.27

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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.