Home / 137,518.12-206,468.79-71,006.23

Finding the Fourth Proportional to 137,518.12, 206,468.79 and 71,006.23

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Solution

The fourth proportional to 137,518.12, 206,468.79 and 71,006.23 is: 106,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,518.12 : 206,468.79 = 71,006.23 : x
  2. Step 2: Convert to fraction form
    137,518.12/206,468.79 = 71,006.23/x
  3. Step 3: Cross multiply
    137,518.12x = 206,468.79 × 71,006.23
  4. Step 4: Simplify right side
    137,518.12x = 14,660,570,390.56
  5. Step 5: Solve for x
    x = 14,660,570,390.56/137,518.12
  6. Step 6: Final answer
    x = 106,608.28

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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.