Home / 149,605.04-206,473.23-85,942.70

Finding the Fourth Proportional to 149,605.04, 206,473.23 and 85,942.70

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Solution

The fourth proportional to 149,605.04, 206,473.23 and 85,942.70 is: 118,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,605.04 : 206,473.23 = 85,942.70 : x
  2. Step 2: Convert to fraction form
    149,605.04/206,473.23 = 85,942.70/x
  3. Step 3: Cross multiply
    149,605.04x = 206,473.23 × 85,942.70
  4. Step 4: Simplify right side
    149,605.04x = 17,744,866,863.92
  5. Step 5: Solve for x
    x = 17,744,866,863.92/149,605.04
  6. Step 6: Final answer
    x = 118,611.42

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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.