Home / 234,128.32-351,156.82-76,356.52

Finding the Fourth Proportional to 234,128.32, 351,156.82 and 76,356.52

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Solution

The fourth proportional to 234,128.32, 351,156.82 and 76,356.52 is: 114,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128.32 : 351,156.82 = 76,356.52 : x
  2. Step 2: Convert to fraction form
    234,128.32/351,156.82 = 76,356.52/x
  3. Step 3: Cross multiply
    234,128.32x = 351,156.82 × 76,356.52
  4. Step 4: Simplify right side
    234,128.32x = 26,813,112,749.47
  5. Step 5: Solve for x
    x = 26,813,112,749.47/234,128.32
  6. Step 6: Final answer
    x = 114,523.15

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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.