Home / 156,457.68-234,706.20-76,498.32

Finding the Fourth Proportional to 156,457.68, 234,706.20 and 76,498.32

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Solution

The fourth proportional to 156,457.68, 234,706.20 and 76,498.32 is: 114,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,457.68 : 234,706.20 = 76,498.32 : x
  2. Step 2: Convert to fraction form
    156,457.68/234,706.20 = 76,498.32/x
  3. Step 3: Cross multiply
    156,457.68x = 234,706.20 × 76,498.32
  4. Step 4: Simplify right side
    156,457.68x = 17,954,629,993.58
  5. Step 5: Solve for x
    x = 17,954,629,993.58/156,457.68
  6. Step 6: Final answer
    x = 114,757.10

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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.