Home / 161,300.83-242,000.45-82,470.41

Finding the Fourth Proportional to 161,300.83, 242,000.45 and 82,470.41

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Solution

The fourth proportional to 161,300.83, 242,000.45 and 82,470.41 is: 123,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,300.83 : 242,000.45 = 82,470.41 : x
  2. Step 2: Convert to fraction form
    161,300.83/242,000.45 = 82,470.41/x
  3. Step 3: Cross multiply
    161,300.83x = 242,000.45 × 82,470.41
  4. Step 4: Simplify right side
    161,300.83x = 19,957,876,331.68
  5. Step 5: Solve for x
    x = 19,957,876,331.68/161,300.83
  6. Step 6: Final answer
    x = 123,730.77

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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.