Home / 122,727.72-183,821.76-101,426.36

Finding the Fourth Proportional to 122,727.72, 183,821.76 and 101,426.36

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Solution

The fourth proportional to 122,727.72, 183,821.76 and 101,426.36 is: 151,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,727.72 : 183,821.76 = 101,426.36 : x
  2. Step 2: Convert to fraction form
    122,727.72/183,821.76 = 101,426.36/x
  3. Step 3: Cross multiply
    122,727.72x = 183,821.76 × 101,426.36
  4. Step 4: Simplify right side
    122,727.72x = 18,644,372,005.59
  5. Step 5: Solve for x
    x = 18,644,372,005.59/122,727.72
  6. Step 6: Final answer
    x = 151,916.55

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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.