Home / 234,420.37-323,499.32-126,990.28

Finding the Fourth Proportional to 234,420.37, 323,499.32 and 126,990.28

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Solution

The fourth proportional to 234,420.37, 323,499.32 and 126,990.28 is: 175,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,420.37 : 323,499.32 = 126,990.28 : x
  2. Step 2: Convert to fraction form
    234,420.37/323,499.32 = 126,990.28/x
  3. Step 3: Cross multiply
    234,420.37x = 323,499.32 × 126,990.28
  4. Step 4: Simplify right side
    234,420.37x = 41,081,268,591.66
  5. Step 5: Solve for x
    x = 41,081,268,591.66/234,420.37
  6. Step 6: Final answer
    x = 175,246.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.