Home / 161,712.08-242,594.04-68,231.60

Finding the Fourth Proportional to 161,712.08, 242,594.04 and 68,231.60

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Solution

The fourth proportional to 161,712.08, 242,594.04 and 68,231.60 is: 102,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,712.08 : 242,594.04 = 68,231.60 : x
  2. Step 2: Convert to fraction form
    161,712.08/242,594.04 = 68,231.60/x
  3. Step 3: Cross multiply
    161,712.08x = 242,594.04 × 68,231.60
  4. Step 4: Simplify right side
    161,712.08x = 16,552,579,499.66
  5. Step 5: Solve for x
    x = 16,552,579,499.66/161,712.08
  6. Step 6: Final answer
    x = 102,358.34

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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.