Home / 117,370.37-161,973.32-72,025.66

Finding the Fourth Proportional to 117,370.37, 161,973.32 and 72,025.66

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Solution

The fourth proportional to 117,370.37, 161,973.32 and 72,025.66 is: 99,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,370.37 : 161,973.32 = 72,025.66 : x
  2. Step 2: Convert to fraction form
    117,370.37/161,973.32 = 72,025.66/x
  3. Step 3: Cross multiply
    117,370.37x = 161,973.32 × 72,025.66
  4. Step 4: Simplify right side
    117,370.37x = 11,666,234,611.77
  5. Step 5: Solve for x
    x = 11,666,234,611.77/117,370.37
  6. Step 6: Final answer
    x = 99,396.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.