Home / 102,748.07-154,122.10-28,876.07

Finding the Fourth Proportional to 102,748.07, 154,122.10 and 28,876.07

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Solution

The fourth proportional to 102,748.07, 154,122.10 and 28,876.07 is: 43,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,748.07 : 154,122.10 = 28,876.07 : x
  2. Step 2: Convert to fraction form
    102,748.07/154,122.10 = 28,876.07/x
  3. Step 3: Cross multiply
    102,748.07x = 154,122.10 × 28,876.07
  4. Step 4: Simplify right side
    102,748.07x = 4,450,439,633.16
  5. Step 5: Solve for x
    x = 4,450,439,633.16/102,748.07
  6. Step 6: Final answer
    x = 43,314.10

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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.