Home / 149,912.64-224,901.36-56,418.12

Finding the Fourth Proportional to 149,912.64, 224,901.36 and 56,418.12

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Solution

The fourth proportional to 149,912.64, 224,901.36 and 56,418.12 is: 84,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,912.64 : 224,901.36 = 56,418.12 : x
  2. Step 2: Convert to fraction form
    149,912.64/224,901.36 = 56,418.12/x
  3. Step 3: Cross multiply
    149,912.64x = 224,901.36 × 56,418.12
  4. Step 4: Simplify right side
    149,912.64x = 12,688,511,916.64
  5. Step 5: Solve for x
    x = 12,688,511,916.64/149,912.64
  6. Step 6: Final answer
    x = 84,639.37

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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.