Home / 122,328.21-183,448.29-42,344.44

Finding the Fourth Proportional to 122,328.21, 183,448.29 and 42,344.44

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Solution

The fourth proportional to 122,328.21, 183,448.29 and 42,344.44 is: 63,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,328.21 : 183,448.29 = 42,344.44 : x
  2. Step 2: Convert to fraction form
    122,328.21/183,448.29 = 42,344.44/x
  3. Step 3: Cross multiply
    122,328.21x = 183,448.29 × 42,344.44
  4. Step 4: Simplify right side
    122,328.21x = 7,768,015,258.92
  5. Step 5: Solve for x
    x = 7,768,015,258.92/122,328.21
  6. Step 6: Final answer
    x = 63,501.42

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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.