Home / 109,187.06-163,780.58-30,301.29

Finding the Fourth Proportional to 109,187.06, 163,780.58 and 30,301.29

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Solution

The fourth proportional to 109,187.06, 163,780.58 and 30,301.29 is: 45,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,187.06 : 163,780.58 = 30,301.29 : x
  2. Step 2: Convert to fraction form
    109,187.06/163,780.58 = 30,301.29/x
  3. Step 3: Cross multiply
    109,187.06x = 163,780.58 × 30,301.29
  4. Step 4: Simplify right side
    109,187.06x = 4,962,762,926.70
  5. Step 5: Solve for x
    x = 4,962,762,926.70/109,187.06
  6. Step 6: Final answer
    x = 45,451.94

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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.