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Finding the Fourth Proportional to 163,068.29, 245,069.00 and 80,020.61

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Solution

The fourth proportional to 163,068.29, 245,069.00 and 80,020.61 is: 120,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,068.29 : 245,069.00 = 80,020.61 : x
  2. Step 2: Convert to fraction form
    163,068.29/245,069.00 = 80,020.61/x
  3. Step 3: Cross multiply
    163,068.29x = 245,069.00 × 80,020.61
  4. Step 4: Simplify right side
    163,068.29x = 19,610,570,471.99
  5. Step 5: Solve for x
    x = 19,610,570,471.99/163,068.29
  6. Step 6: Final answer
    x = 120,259.86

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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.