Home / 180,943.20-271,414.80-114,458.40

Finding the Fourth Proportional to 180,943.20, 271,414.80 and 114,458.40

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Solution

The fourth proportional to 180,943.20, 271,414.80 and 114,458.40 is: 171,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,943.20 : 271,414.80 = 114,458.40 : x
  2. Step 2: Convert to fraction form
    180,943.20/271,414.80 = 114,458.40/x
  3. Step 3: Cross multiply
    180,943.20x = 271,414.80 × 114,458.40
  4. Step 4: Simplify right side
    180,943.20x = 31,065,703,744.32
  5. Step 5: Solve for x
    x = 31,065,703,744.32/180,943.20
  6. Step 6: Final answer
    x = 171,687.60

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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.