Home / 187,620.72-258,892.56-107,043.60

Finding the Fourth Proportional to 187,620.72, 258,892.56 and 107,043.60

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Solution

The fourth proportional to 187,620.72, 258,892.56 and 107,043.60 is: 147,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,620.72 : 258,892.56 = 107,043.60 : x
  2. Step 2: Convert to fraction form
    187,620.72/258,892.56 = 107,043.60/x
  3. Step 3: Cross multiply
    187,620.72x = 258,892.56 × 107,043.60
  4. Step 4: Simplify right side
    187,620.72x = 27,712,791,635.62
  5. Step 5: Solve for x
    x = 27,712,791,635.62/187,620.72
  6. Step 6: Final answer
    x = 147,706.46

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1.5x scale

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.