Home / 109,639.86-164,525.41-47,310.36

Finding the Fourth Proportional to 109,639.86, 164,525.41 and 47,310.36

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Solution

The fourth proportional to 109,639.86, 164,525.41 and 47,310.36 is: 70,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,639.86 : 164,525.41 = 47,310.36 : x
  2. Step 2: Convert to fraction form
    109,639.86/164,525.41 = 47,310.36/x
  3. Step 3: Cross multiply
    109,639.86x = 164,525.41 × 47,310.36
  4. Step 4: Simplify right side
    109,639.86x = 7,783,756,376.25
  5. Step 5: Solve for x
    x = 7,783,756,376.25/109,639.86
  6. Step 6: Final answer
    x = 70,993.86

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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.