Home / 149,671.48-206,523.06-89,200.64

Finding the Fourth Proportional to 149,671.48, 206,523.06 and 89,200.64

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Solution

The fourth proportional to 149,671.48, 206,523.06 and 89,200.64 is: 123,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,671.48 : 206,523.06 = 89,200.64 : x
  2. Step 2: Convert to fraction form
    149,671.48/206,523.06 = 89,200.64/x
  3. Step 3: Cross multiply
    149,671.48x = 206,523.06 × 89,200.64
  4. Step 4: Simplify right side
    149,671.48x = 18,421,989,126.76
  5. Step 5: Solve for x
    x = 18,421,989,126.76/149,671.48
  6. Step 6: Final answer
    x = 123,082.83

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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.