Home / 187,848.60-259,229.70-102,964.20

Finding the Fourth Proportional to 187,848.60, 259,229.70 and 102,964.20

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Solution

The fourth proportional to 187,848.60, 259,229.70 and 102,964.20 is: 142,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,848.60 : 259,229.70 = 102,964.20 : x
  2. Step 2: Convert to fraction form
    187,848.60/259,229.70 = 102,964.20/x
  3. Step 3: Cross multiply
    187,848.60x = 259,229.70 × 102,964.20
  4. Step 4: Simplify right side
    187,848.60x = 26,691,378,676.74
  5. Step 5: Solve for x
    x = 26,691,378,676.74/187,848.60
  6. Step 6: Final answer
    x = 142,089.85

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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.