Home / 137,766.80-206,650.20-37,942.40

Finding the Fourth Proportional to 137,766.80, 206,650.20 and 37,942.40

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Solution

The fourth proportional to 137,766.80, 206,650.20 and 37,942.40 is: 56,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,766.80 : 206,650.20 = 37,942.40 : x
  2. Step 2: Convert to fraction form
    137,766.80/206,650.20 = 37,942.40/x
  3. Step 3: Cross multiply
    137,766.80x = 206,650.20 × 37,942.40
  4. Step 4: Simplify right side
    137,766.80x = 7,840,804,548.48
  5. Step 5: Solve for x
    x = 7,840,804,548.48/137,766.80
  6. Step 6: Final answer
    x = 56,913.60

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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.