Home / 137,746.63-206,442.34-66,652.56

Finding the Fourth Proportional to 137,746.63, 206,442.34 and 66,652.56

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Solution

The fourth proportional to 137,746.63, 206,442.34 and 66,652.56 is: 99,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.63 : 206,442.34 = 66,652.56 : x
  2. Step 2: Convert to fraction form
    137,746.63/206,442.34 = 66,652.56/x
  3. Step 3: Cross multiply
    137,746.63x = 206,442.34 × 66,652.56
  4. Step 4: Simplify right side
    137,746.63x = 13,759,910,453.39
  5. Step 5: Solve for x
    x = 13,759,910,453.39/137,746.63
  6. Step 6: Final answer
    x = 99,892.90

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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.