Home / 102,922.70-154,384.05-100,849.10

Finding the Fourth Proportional to 102,922.70, 154,384.05 and 100,849.10

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Solution

The fourth proportional to 102,922.70, 154,384.05 and 100,849.10 is: 151,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,922.70 : 154,384.05 = 100,849.10 : x
  2. Step 2: Convert to fraction form
    102,922.70/154,384.05 = 100,849.10/x
  3. Step 3: Cross multiply
    102,922.70x = 154,384.05 × 100,849.10
  4. Step 4: Simplify right side
    102,922.70x = 15,569,492,496.86
  5. Step 5: Solve for x
    x = 15,569,492,496.86/102,922.70
  6. Step 6: Final answer
    x = 151,273.65

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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.