Home / 109,847.40-164,835.90-39,717.60

Finding the Fourth Proportional to 109,847.40, 164,835.90 and 39,717.60

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Solution

The fourth proportional to 109,847.40, 164,835.90 and 39,717.60 is: 59,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,847.40 : 164,835.90 = 39,717.60 : x
  2. Step 2: Convert to fraction form
    109,847.40/164,835.90 = 39,717.60/x
  3. Step 3: Cross multiply
    109,847.40x = 164,835.90 × 39,717.60
  4. Step 4: Simplify right side
    109,847.40x = 6,546,886,341.84
  5. Step 5: Solve for x
    x = 6,546,886,341.84/109,847.40
  6. Step 6: Final answer
    x = 59,599.83

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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.