Home / 164,091.20-246,136.80-89,441.60

Finding the Fourth Proportional to 164,091.20, 246,136.80 and 89,441.60

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Solution

The fourth proportional to 164,091.20, 246,136.80 and 89,441.60 is: 134,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,091.20 : 246,136.80 = 89,441.60 : x
  2. Step 2: Convert to fraction form
    164,091.20/246,136.80 = 89,441.60/x
  3. Step 3: Cross multiply
    164,091.20x = 246,136.80 × 89,441.60
  4. Step 4: Simplify right side
    164,091.20x = 22,014,869,210.88
  5. Step 5: Solve for x
    x = 22,014,869,210.88/164,091.20
  6. Step 6: Final answer
    x = 134,162.40

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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.