Home / 237,916.90-356,896.32-67,140.15

Finding the Fourth Proportional to 237,916.90, 356,896.32 and 67,140.15

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Solution

The fourth proportional to 237,916.90, 356,896.32 and 67,140.15 is: 100,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,916.90 : 356,896.32 = 67,140.15 : x
  2. Step 2: Convert to fraction form
    237,916.90/356,896.32 = 67,140.15/x
  3. Step 3: Cross multiply
    237,916.90x = 356,896.32 × 67,140.15
  4. Step 4: Simplify right side
    237,916.90x = 23,962,072,459.25
  5. Step 5: Solve for x
    x = 23,962,072,459.25/237,916.90
  6. Step 6: Final answer
    x = 100,716.14

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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.