Home / 109,558.20-151,190.31-59,257.20

Finding the Fourth Proportional to 109,558.20, 151,190.31 and 59,257.20

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Solution

The fourth proportional to 109,558.20, 151,190.31 and 59,257.20 is: 81,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,558.20 : 151,190.31 = 59,257.20 : x
  2. Step 2: Convert to fraction form
    109,558.20/151,190.31 = 59,257.20/x
  3. Step 3: Cross multiply
    109,558.20x = 151,190.31 × 59,257.20
  4. Step 4: Simplify right side
    109,558.20x = 8,959,114,437.73
  5. Step 5: Solve for x
    x = 8,959,114,437.73/109,558.20
  6. Step 6: Final answer
    x = 81,774.93

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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.