Home / 161,891.20-242,577.60-106,422.40

Finding the Fourth Proportional to 161,891.20, 242,577.60 and 106,422.40

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Solution

The fourth proportional to 161,891.20, 242,577.60 and 106,422.40 is: 159,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,891.20 : 242,577.60 = 106,422.40 : x
  2. Step 2: Convert to fraction form
    161,891.20/242,577.60 = 106,422.40/x
  3. Step 3: Cross multiply
    161,891.20x = 242,577.60 × 106,422.40
  4. Step 4: Simplify right side
    161,891.20x = 25,815,690,378.24
  5. Step 5: Solve for x
    x = 25,815,690,378.24/161,891.20
  6. Step 6: Final answer
    x = 159,463.21

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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.