Home / 109,272.20-163,908.30-76,094.60

Finding the Fourth Proportional to 109,272.20, 163,908.30 and 76,094.60

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Solution

The fourth proportional to 109,272.20, 163,908.30 and 76,094.60 is: 114,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,272.20 : 163,908.30 = 76,094.60 : x
  2. Step 2: Convert to fraction form
    109,272.20/163,908.30 = 76,094.60/x
  3. Step 3: Cross multiply
    109,272.20x = 163,908.30 × 76,094.60
  4. Step 4: Simplify right side
    109,272.20x = 12,472,536,525.18
  5. Step 5: Solve for x
    x = 12,472,536,525.18/109,272.20
  6. Step 6: Final answer
    x = 114,141.90

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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.