Home / 122,400.10-183,558.56-42,419.44

Finding the Fourth Proportional to 122,400.10, 183,558.56 and 42,419.44

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Solution

The fourth proportional to 122,400.10, 183,558.56 and 42,419.44 is: 63,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,400.10 : 183,558.56 = 42,419.44 : x
  2. Step 2: Convert to fraction form
    122,400.10/183,558.56 = 42,419.44/x
  3. Step 3: Cross multiply
    122,400.10x = 183,558.56 × 42,419.44
  4. Step 4: Simplify right side
    122,400.10x = 7,786,451,322.41
  5. Step 5: Solve for x
    x = 7,786,451,322.41/122,400.10
  6. Step 6: Final answer
    x = 63,614.75

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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.