Home / 134,022.60-200,742.30-81,340.20

Finding the Fourth Proportional to 134,022.60, 200,742.30 and 81,340.20

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Solution

The fourth proportional to 134,022.60, 200,742.30 and 81,340.20 is: 121,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,022.60 : 200,742.30 = 81,340.20 : x
  2. Step 2: Convert to fraction form
    134,022.60/200,742.30 = 81,340.20/x
  3. Step 3: Cross multiply
    134,022.60x = 200,742.30 × 81,340.20
  4. Step 4: Simplify right side
    134,022.60x = 16,328,418,830.46
  5. Step 5: Solve for x
    x = 16,328,418,830.46/134,022.60
  6. Step 6: Final answer
    x = 121,833.32

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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.