Home / 137,455.20-206,182.80-92,840.40

Finding the Fourth Proportional to 137,455.20, 206,182.80 and 92,840.40

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Solution

The fourth proportional to 137,455.20, 206,182.80 and 92,840.40 is: 139,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,455.20 : 206,182.80 = 92,840.40 : x
  2. Step 2: Convert to fraction form
    137,455.20/206,182.80 = 92,840.40/x
  3. Step 3: Cross multiply
    137,455.20x = 206,182.80 × 92,840.40
  4. Step 4: Simplify right side
    137,455.20x = 19,142,093,625.12
  5. Step 5: Solve for x
    x = 19,142,093,625.12/137,455.20
  6. Step 6: Final answer
    x = 139,260.60

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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.