Home / 234,325.44-351,540-129,090.24

Finding the Fourth Proportional to 234,325.44, 351,540 and 129,090.24

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Solution

The fourth proportional to 234,325.44, 351,540 and 129,090.24 is: 193,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,325.44 : 351,540 = 129,090.24 : x
  2. Step 2: Convert to fraction form
    234,325.44/351,540 = 129,090.24/x
  3. Step 3: Cross multiply
    234,325.44x = 351,540 × 129,090.24
  4. Step 4: Simplify right side
    234,325.44x = 45,380,382,969.60
  5. Step 5: Solve for x
    x = 45,380,382,969.60/234,325.44
  6. Step 6: Final answer
    x = 193,663.92

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1.5x scale

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.