Home / 137,528.20-206,292.30-54,422.20

Finding the Fourth Proportional to 137,528.20, 206,292.30 and 54,422.20

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Solution

The fourth proportional to 137,528.20, 206,292.30 and 54,422.20 is: 81,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,528.20 : 206,292.30 = 54,422.20 : x
  2. Step 2: Convert to fraction form
    137,528.20/206,292.30 = 54,422.20/x
  3. Step 3: Cross multiply
    137,528.20x = 206,292.30 × 54,422.20
  4. Step 4: Simplify right side
    137,528.20x = 11,226,880,809.06
  5. Step 5: Solve for x
    x = 11,226,880,809.06/137,528.20
  6. Step 6: Final answer
    x = 81,633.30

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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.