Home / 161,712.60-242,594.80-68,232.12

Finding the Fourth Proportional to 161,712.60, 242,594.80 and 68,232.12

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Solution

The fourth proportional to 161,712.60, 242,594.80 and 68,232.12 is: 102,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,712.60 : 242,594.80 = 68,232.12 : x
  2. Step 2: Convert to fraction form
    161,712.60/242,594.80 = 68,232.12/x
  3. Step 3: Cross multiply
    161,712.60x = 242,594.80 × 68,232.12
  4. Step 4: Simplify right side
    161,712.60x = 16,552,757,504.98
  5. Step 5: Solve for x
    x = 16,552,757,504.98/161,712.60
  6. Step 6: Final answer
    x = 102,359.11

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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.