Home / 109,208.55-150,671.43-89,030.64

Finding the Fourth Proportional to 109,208.55, 150,671.43 and 89,030.64

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Solution

The fourth proportional to 109,208.55, 150,671.43 and 89,030.64 is: 122,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.55 : 150,671.43 = 89,030.64 : x
  2. Step 2: Convert to fraction form
    109,208.55/150,671.43 = 89,030.64/x
  3. Step 3: Cross multiply
    109,208.55x = 150,671.43 × 89,030.64
  4. Step 4: Simplify right side
    109,208.55x = 13,414,373,842.62
  5. Step 5: Solve for x
    x = 13,414,373,842.62/109,208.55
  6. Step 6: Final answer
    x = 122,832.63

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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.