Home / 122,400.30-183,600.45-102,717.30

Finding the Fourth Proportional to 122,400.30, 183,600.45 and 102,717.30

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Solution

The fourth proportional to 122,400.30, 183,600.45 and 102,717.30 is: 154,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,400.30 : 183,600.45 = 102,717.30 : x
  2. Step 2: Convert to fraction form
    122,400.30/183,600.45 = 102,717.30/x
  3. Step 3: Cross multiply
    122,400.30x = 183,600.45 × 102,717.30
  4. Step 4: Simplify right side
    122,400.30x = 18,858,942,502.79
  5. Step 5: Solve for x
    x = 18,858,942,502.79/122,400.30
  6. Step 6: Final answer
    x = 154,075.95

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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.