Home / 157,638.20-236,457.30-149,084.60

Finding the Fourth Proportional to 157,638.20, 236,457.30 and 149,084.60

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Solution

The fourth proportional to 157,638.20, 236,457.30 and 149,084.60 is: 223,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,638.20 : 236,457.30 = 149,084.60 : x
  2. Step 2: Convert to fraction form
    157,638.20/236,457.30 = 149,084.60/x
  3. Step 3: Cross multiply
    157,638.20x = 236,457.30 × 149,084.60
  4. Step 4: Simplify right side
    157,638.20x = 35,252,141,987.58
  5. Step 5: Solve for x
    x = 35,252,141,987.58/157,638.20
  6. Step 6: Final answer
    x = 223,626.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.