Home / 102,981.38-154,045.53-96,682.82

Finding the Fourth Proportional to 102,981.38, 154,045.53 and 96,682.82

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Solution

The fourth proportional to 102,981.38, 154,045.53 and 96,682.82 is: 144,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,981.38 : 154,045.53 = 96,682.82 : x
  2. Step 2: Convert to fraction form
    102,981.38/154,045.53 = 96,682.82/x
  3. Step 3: Cross multiply
    102,981.38x = 154,045.53 × 96,682.82
  4. Step 4: Simplify right side
    102,981.38x = 14,893,555,478.57
  5. Step 5: Solve for x
    x = 14,893,555,478.57/102,981.38
  6. Step 6: Final answer
    x = 144,623.78

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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.