Home / 123,433.64-170,338.18-66,844.84

Finding the Fourth Proportional to 123,433.64, 170,338.18 and 66,844.84

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Solution

The fourth proportional to 123,433.64, 170,338.18 and 66,844.84 is: 92,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,433.64 : 170,338.18 = 66,844.84 : x
  2. Step 2: Convert to fraction form
    123,433.64/170,338.18 = 66,844.84/x
  3. Step 3: Cross multiply
    123,433.64x = 170,338.18 × 66,844.84
  4. Step 4: Simplify right side
    123,433.64x = 11,386,228,387.99
  5. Step 5: Solve for x
    x = 11,386,228,387.99/123,433.64
  6. Step 6: Final answer
    x = 92,245.75

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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.