Home / 252,631.92-378,618.80-102,697.07

Finding the Fourth Proportional to 252,631.92, 378,618.80 and 102,697.07

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Solution

The fourth proportional to 252,631.92, 378,618.80 and 102,697.07 is: 153,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,631.92 : 378,618.80 = 102,697.07 : x
  2. Step 2: Convert to fraction form
    252,631.92/378,618.80 = 102,697.07/x
  3. Step 3: Cross multiply
    252,631.92x = 378,618.80 × 102,697.07
  4. Step 4: Simplify right side
    252,631.92x = 38,883,039,000.34
  5. Step 5: Solve for x
    x = 38,883,039,000.34/252,631.92
  6. Step 6: Final answer
    x = 153,911.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.