Home / 161,695.20-242,456.40-68,095.20

Finding the Fourth Proportional to 161,695.20, 242,456.40 and 68,095.20

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Solution

The fourth proportional to 161,695.20, 242,456.40 and 68,095.20 is: 102,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,695.20 : 242,456.40 = 68,095.20 : x
  2. Step 2: Convert to fraction form
    161,695.20/242,456.40 = 68,095.20/x
  3. Step 3: Cross multiply
    161,695.20x = 242,456.40 × 68,095.20
  4. Step 4: Simplify right side
    161,695.20x = 16,510,117,049.28
  5. Step 5: Solve for x
    x = 16,510,117,049.28/161,695.20
  6. Step 6: Final answer
    x = 102,106.41

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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.