Home / 109,056.30-163,584.45-102,932.70

Finding the Fourth Proportional to 109,056.30, 163,584.45 and 102,932.70

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Solution

The fourth proportional to 109,056.30, 163,584.45 and 102,932.70 is: 154,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,056.30 : 163,584.45 = 102,932.70 : x
  2. Step 2: Convert to fraction form
    109,056.30/163,584.45 = 102,932.70/x
  3. Step 3: Cross multiply
    109,056.30x = 163,584.45 × 102,932.70
  4. Step 4: Simplify right side
    109,056.30x = 16,838,189,116.52
  5. Step 5: Solve for x
    x = 16,838,189,116.52/109,056.30
  6. Step 6: Final answer
    x = 154,399.05

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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.