Home / 102,876.24-154,191.06-52,979.88

Finding the Fourth Proportional to 102,876.24, 154,191.06 and 52,979.88

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Solution

The fourth proportional to 102,876.24, 154,191.06 and 52,979.88 is: 79,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,876.24 : 154,191.06 = 52,979.88 : x
  2. Step 2: Convert to fraction form
    102,876.24/154,191.06 = 52,979.88/x
  3. Step 3: Cross multiply
    102,876.24x = 154,191.06 × 52,979.88
  4. Step 4: Simplify right side
    102,876.24x = 8,169,023,855.87
  5. Step 5: Solve for x
    x = 8,169,023,855.87/102,876.24
  6. Step 6: Final answer
    x = 79,406.32

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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.