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Finding the Fourth Proportional to 210,009.87, 289,807.38 and 119,375.73

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Solution

The fourth proportional to 210,009.87, 289,807.38 and 119,375.73 is: 164,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,009.87 : 289,807.38 = 119,375.73 : x
  2. Step 2: Convert to fraction form
    210,009.87/289,807.38 = 119,375.73/x
  3. Step 3: Cross multiply
    210,009.87x = 289,807.38 × 119,375.73
  4. Step 4: Simplify right side
    210,009.87x = 34,595,967,546.89
  5. Step 5: Solve for x
    x = 34,595,967,546.89/210,009.87
  6. Step 6: Final answer
    x = 164,734.96

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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.