Home / 109,308.24-163,962.39-84,384.68

Finding the Fourth Proportional to 109,308.24, 163,962.39 and 84,384.68

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Solution

The fourth proportional to 109,308.24, 163,962.39 and 84,384.68 is: 126,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,308.24 : 163,962.39 = 84,384.68 : x
  2. Step 2: Convert to fraction form
    109,308.24/163,962.39 = 84,384.68/x
  3. Step 3: Cross multiply
    109,308.24x = 163,962.39 × 84,384.68
  4. Step 4: Simplify right side
    109,308.24x = 13,835,912,992.37
  5. Step 5: Solve for x
    x = 13,835,912,992.37/109,308.24
  6. Step 6: Final answer
    x = 126,577.04

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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.