Home / 234,435.40-323,520.42-127,008.12

Finding the Fourth Proportional to 234,435.40, 323,520.42 and 127,008.12

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Solution

The fourth proportional to 234,435.40, 323,520.42 and 127,008.12 is: 175,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,435.40 : 323,520.42 = 127,008.12 : x
  2. Step 2: Convert to fraction form
    234,435.40/323,520.42 = 127,008.12/x
  3. Step 3: Cross multiply
    234,435.40x = 323,520.42 × 127,008.12
  4. Step 4: Simplify right side
    234,435.40x = 41,089,720,325.81
  5. Step 5: Solve for x
    x = 41,089,720,325.81/234,435.40
  6. Step 6: Final answer
    x = 175,270.97

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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.