Home / 122,302.30-183,453.45-102,619.30

Finding the Fourth Proportional to 122,302.30, 183,453.45 and 102,619.30

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Solution

The fourth proportional to 122,302.30, 183,453.45 and 102,619.30 is: 153,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,302.30 : 183,453.45 = 102,619.30 : x
  2. Step 2: Convert to fraction form
    122,302.30/183,453.45 = 102,619.30/x
  3. Step 3: Cross multiply
    122,302.30x = 183,453.45 × 102,619.30
  4. Step 4: Simplify right side
    122,302.30x = 18,825,864,621.59
  5. Step 5: Solve for x
    x = 18,825,864,621.59/122,302.30
  6. Step 6: Final answer
    x = 153,928.95

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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.