Home / 149,499.04-206,307.84-82,431.04

Finding the Fourth Proportional to 149,499.04, 206,307.84 and 82,431.04

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Solution

The fourth proportional to 149,499.04, 206,307.84 and 82,431.04 is: 113,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,499.04 : 206,307.84 = 82,431.04 : x
  2. Step 2: Convert to fraction form
    149,499.04/206,307.84 = 82,431.04/x
  3. Step 3: Cross multiply
    149,499.04x = 206,307.84 × 82,431.04
  4. Step 4: Simplify right side
    149,499.04x = 17,006,169,811.35
  5. Step 5: Solve for x
    x = 17,006,169,811.35/149,499.04
  6. Step 6: Final answer
    x = 113,754.37

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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.