Home / 122,730.72-183,826.26-101,429.36

Finding the Fourth Proportional to 122,730.72, 183,826.26 and 101,429.36

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Solution

The fourth proportional to 122,730.72, 183,826.26 and 101,429.36 is: 151,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,730.72 : 183,826.26 = 101,429.36 : x
  2. Step 2: Convert to fraction form
    122,730.72/183,826.26 = 101,429.36/x
  3. Step 3: Cross multiply
    122,730.72x = 183,826.26 × 101,429.36
  4. Step 4: Simplify right side
    122,730.72x = 18,645,379,902.99
  5. Step 5: Solve for x
    x = 18,645,379,902.99/122,730.72
  6. Step 6: Final answer
    x = 151,921.05

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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.