Home / 90,633.68-135,964.32-46,236.20

Finding the Fourth Proportional to 90,633.68, 135,964.32 and 46,236.20

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Solution

The fourth proportional to 90,633.68, 135,964.32 and 46,236.20 is: 69,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,633.68 : 135,964.32 = 46,236.20 : x
  2. Step 2: Convert to fraction form
    90,633.68/135,964.32 = 46,236.20/x
  3. Step 3: Cross multiply
    90,633.68x = 135,964.32 × 46,236.20
  4. Step 4: Simplify right side
    90,633.68x = 6,286,473,492.38
  5. Step 5: Solve for x
    x = 6,286,473,492.38/90,633.68
  6. Step 6: Final answer
    x = 69,361.34

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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.