Home / 122,005.03-182,859.92-55,378.07

Finding the Fourth Proportional to 122,005.03, 182,859.92 and 55,378.07

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Solution

The fourth proportional to 122,005.03, 182,859.92 and 55,378.07 is: 83,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.03 : 182,859.92 = 55,378.07 : x
  2. Step 2: Convert to fraction form
    122,005.03/182,859.92 = 55,378.07/x
  3. Step 3: Cross multiply
    122,005.03x = 182,859.92 × 55,378.07
  4. Step 4: Simplify right side
    122,005.03x = 10,126,429,173.06
  5. Step 5: Solve for x
    x = 10,126,429,173.06/122,005.03
  6. Step 6: Final answer
    x = 83,000.10

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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.