Home / 77,152.03-115,737.29-27,221.81

Finding the Fourth Proportional to 77,152.03, 115,737.29 and 27,221.81

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Solution

The fourth proportional to 77,152.03, 115,737.29 and 27,221.81 is: 40,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,152.03 : 115,737.29 = 27,221.81 : x
  2. Step 2: Convert to fraction form
    77,152.03/115,737.29 = 27,221.81/x
  3. Step 3: Cross multiply
    77,152.03x = 115,737.29 × 27,221.81
  4. Step 4: Simplify right side
    77,152.03x = 3,150,577,905.58
  5. Step 5: Solve for x
    x = 3,150,577,905.58/77,152.03
  6. Step 6: Final answer
    x = 40,835.97

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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.