Home / 229,268.21-343,962.05-87,116.04

Finding the Fourth Proportional to 229,268.21, 343,962.05 and 87,116.04

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Solution

The fourth proportional to 229,268.21, 343,962.05 and 87,116.04 is: 130,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,268.21 : 343,962.05 = 87,116.04 : x
  2. Step 2: Convert to fraction form
    229,268.21/343,962.05 = 87,116.04/x
  3. Step 3: Cross multiply
    229,268.21x = 343,962.05 × 87,116.04
  4. Step 4: Simplify right side
    229,268.21x = 29,964,611,270.70
  5. Step 5: Solve for x
    x = 29,964,611,270.70/229,268.21
  6. Step 6: Final answer
    x = 130,696.76

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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.