Home / 122,614.98-183,936.87-43,740.42

Finding the Fourth Proportional to 122,614.98, 183,936.87 and 43,740.42

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Solution

The fourth proportional to 122,614.98, 183,936.87 and 43,740.42 is: 65,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,614.98 : 183,936.87 = 43,740.42 : x
  2. Step 2: Convert to fraction form
    122,614.98/183,936.87 = 43,740.42/x
  3. Step 3: Cross multiply
    122,614.98x = 183,936.87 × 43,740.42
  4. Step 4: Simplify right side
    122,614.98x = 8,045,475,947.29
  5. Step 5: Solve for x
    x = 8,045,475,947.29/122,614.98
  6. Step 6: Final answer
    x = 65,615.77

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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.