Home / 102,763.24-154,039.75-52,068.36

Finding the Fourth Proportional to 102,763.24, 154,039.75 and 52,068.36

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Solution

The fourth proportional to 102,763.24, 154,039.75 and 52,068.36 is: 78,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,763.24 : 154,039.75 = 52,068.36 : x
  2. Step 2: Convert to fraction form
    102,763.24/154,039.75 = 52,068.36/x
  3. Step 3: Cross multiply
    102,763.24x = 154,039.75 × 52,068.36
  4. Step 4: Simplify right side
    102,763.24x = 8,020,597,157.31
  5. Step 5: Solve for x
    x = 8,020,597,157.31/102,763.24
  6. Step 6: Final answer
    x = 78,049.28

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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.