Home / 161,320.36-241,999.98-67,813.96

Finding the Fourth Proportional to 161,320.36, 241,999.98 and 67,813.96

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Solution

The fourth proportional to 161,320.36, 241,999.98 and 67,813.96 is: 101,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320.36 : 241,999.98 = 67,813.96 : x
  2. Step 2: Convert to fraction form
    161,320.36/241,999.98 = 67,813.96/x
  3. Step 3: Cross multiply
    161,320.36x = 241,999.98 × 67,813.96
  4. Step 4: Simplify right side
    161,320.36x = 16,410,976,963.72
  5. Step 5: Solve for x
    x = 16,410,976,963.72/161,320.36
  6. Step 6: Final answer
    x = 101,729.11

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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.