Home / 109,280.60-163,872.30-50,134.40

Finding the Fourth Proportional to 109,280.60, 163,872.30 and 50,134.40

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Solution

The fourth proportional to 109,280.60, 163,872.30 and 50,134.40 is: 75,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,280.60 : 163,872.30 = 50,134.40 : x
  2. Step 2: Convert to fraction form
    109,280.60/163,872.30 = 50,134.40/x
  3. Step 3: Cross multiply
    109,280.60x = 163,872.30 × 50,134.40
  4. Step 4: Simplify right side
    109,280.60x = 8,215,639,437.12
  5. Step 5: Solve for x
    x = 8,215,639,437.12/109,280.60
  6. Step 6: Final answer
    x = 75,179.30

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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.