Home / 105,003.92-157,596.88-55,119.28

Finding the Fourth Proportional to 105,003.92, 157,596.88 and 55,119.28

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Solution

The fourth proportional to 105,003.92, 157,596.88 and 55,119.28 is: 82,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003.92 : 157,596.88 = 55,119.28 : x
  2. Step 2: Convert to fraction form
    105,003.92/157,596.88 = 55,119.28/x
  3. Step 3: Cross multiply
    105,003.92x = 157,596.88 × 55,119.28
  4. Step 4: Simplify right side
    105,003.92x = 8,686,626,555.85
  5. Step 5: Solve for x
    x = 8,686,626,555.85/105,003.92
  6. Step 6: Final answer
    x = 82,726.69

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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.