Home / 117,811.77-162,578.46-64,095.56

Finding the Fourth Proportional to 117,811.77, 162,578.46 and 64,095.56

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Solution

The fourth proportional to 117,811.77, 162,578.46 and 64,095.56 is: 88,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811.77 : 162,578.46 = 64,095.56 : x
  2. Step 2: Convert to fraction form
    117,811.77/162,578.46 = 64,095.56/x
  3. Step 3: Cross multiply
    117,811.77x = 162,578.46 × 64,095.56
  4. Step 4: Simplify right side
    117,811.77x = 10,420,557,117.16
  5. Step 5: Solve for x
    x = 10,420,557,117.16/117,811.77
  6. Step 6: Final answer
    x = 88,450.90

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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.