Home / 68,865.23-103,298.30-18,950.60

Finding the Fourth Proportional to 68,865.23, 103,298.30 and 18,950.60

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Solution

The fourth proportional to 68,865.23, 103,298.30 and 18,950.60 is: 28,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865.23 : 103,298.30 = 18,950.60 : x
  2. Step 2: Convert to fraction form
    68,865.23/103,298.30 = 18,950.60/x
  3. Step 3: Cross multiply
    68,865.23x = 103,298.30 × 18,950.60
  4. Step 4: Simplify right side
    68,865.23x = 1,957,564,152.74
  5. Step 5: Solve for x
    x = 1,957,564,152.74/68,865.23
  6. Step 6: Final answer
    x = 28,426.02

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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.