Home / 169,787.13-254,680.43-45,128.13

Finding the Fourth Proportional to 169,787.13, 254,680.43 and 45,128.13

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Solution

The fourth proportional to 169,787.13, 254,680.43 and 45,128.13 is: 67,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,787.13 : 254,680.43 = 45,128.13 : x
  2. Step 2: Convert to fraction form
    169,787.13/254,680.43 = 45,128.13/x
  3. Step 3: Cross multiply
    169,787.13x = 254,680.43 × 45,128.13
  4. Step 4: Simplify right side
    169,787.13x = 11,493,251,327.86
  5. Step 5: Solve for x
    x = 11,493,251,327.86/169,787.13
  6. Step 6: Final answer
    x = 67,692.12

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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.